Vulnerability | Breaking Cybersecurity News | The Hacker News

Cisco has released security updates to address a maximum-severity security flaw in Secure Firewall Management Center (FMC) Software that could allow an attacker to execute arbitrary code on affected systems. The vulnerability, assigned the CVE identifier CVE-2025-20265 (CVSS score: 10.0), affects the RADIUS subsystem implementation that could permit an unauthenticated, remote attacker to inject arbitrary shell commands that are executed by the device. The networking equipment major said the issue stems from a lack of proper handling of user input during the authentication phase, as a result of which an attacker could send specially crafted input when entering credentials that get authenticated at the configured RADIUS server. "A successful exploit could allow the attacker to execute commands at a high privilege level," the company said in a Thursday advisory. "For this vulnerability to be exploited, Cisco Secure FMC Software must be configured for RADIUS authentica...

Multiple HTTP/2 implementations have been found susceptible to a new attack technique called MadeYouReset that could be explored to conduct powerful denial-of-service (DoS) attacks. "MadeYouReset bypasses the typical server-imposed limit of 100 concurrent HTTP/2 requests per TCP connection from a client. This limit is intended to mitigate DoS attacks by restricting the number of simultaneous requests a client can send," researchers Gal Bar Nahum, Anat Bremler-Barr, and Yaniv Harel said . "With MadeYouReset, an attacker can send many thousands of requests, creating a denial-of-service condition for legitimate users and, in some vendor implementations, escalating into out-of-memory crashes." The vulnerability has been assigned the generic CVE identifier, CVE-2025-8671, although the issue impacts several products, including Apache Tomcat (CVE-2025-48989), F5 BIG-IP (CVE-2025-54500), and Netty (CVE-2025-55163). MadeYouReset is the latest flaw in HTTP/2 after Rapid ...

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday added two security flaws impacting N-able N-central to its Known Exploited Vulnerabilities ( KEV ) catalog, citing evidence of active exploitation.  N-able N-central is a Remote Monitoring and Management (RMM) platform designed for Managed Service Providers (MSPs), allowing customers to efficiently manage and secure their clients' Windows, Apple, and Linux endpoints from a single, unified platform. The vulnerabilities in question are listed below - CVE-2025-8875 (CVSS score: N/A) - An insecure deserialization vulnerability that could lead to command execution CVE-2025-8876 (CVSS score: N/A) - A command injection vulnerability via improper sanitization of user input Both shortcomings have been addressed in N-central versions 2025.3.1 and 2024.6 HF2 released on August 13, 2025. N-able is also urging customers to make sure that multi-factor authentication (MFA) is enabled, particularly for admin...

Zoom and Xerox have addressed critical security flaws in Zoom Clients for Windows and FreeFlow Core that could allow privilege escalation and remote code execution.  The vulnerability impacting Zoom Clients for Windows, tracked as CVE-2025-49457 (CVSS score: 9.6), relates to a case of an untrusted search path that could pave the way for privilege escalation. "Untrusted search path in certain Zoom Clients for Windows may allow an unauthenticated user to conduct an escalation of privilege via network access," Zoom said in a security bulletin on Tuesday. The issue, reported by its own Offensive Security team, affects the following products - Zoom Workplace for Windows before version 6.3.10 Zoom Workplace VDI for Windows before version 6.3.10 (except 6.1.16 and 6.2.12) Zoom Rooms for Windows before version 6.3.10 Zoom Rooms Controller for Windows before version 6.3.10 Zoom Meeting SDK for Windows before version 6.3.10 The disclosure comes as multiple vulnerabiliti...

Fortinet is alerting customers of a critical security flaw in FortiSIEM for which it said there exists an exploit in the wild. The vulnerability, tracked as CVE-2025-25256 , carries a CVSS score of 9.8 out of a maximum of 10.0. "An improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerability [CWE-78] in FortiSIEM may allow an unauthenticated attacker to execute unauthorized code or commands via crafted CLI requests," the company said in a Tuesday advisory. The following versions are impacted by the flaw - FortiSIEM 6.1, 6.2, 6.3, 6.4, 6.5, 6.6 (Migrate to a fixed release) FortiSIEM 6.7.0 through 6.7.9 (Upgrade to 6.7.10 or above) FortiSIEM 7.0.0 through 7.0.3 (Upgrade to 7.0.4 or above) FortiSIEM 7.1.0 through 7.1.7 (Upgrade to 7.1.8 or above) FortiSIEM 7.2.0 through 7.2.5 (Upgrade to 7.2.6 or above) FortiSIEM 7.3.0 through 7.3.1 (Upgrade to 7.3.2 or above) FortiSIEM 7.4 (Not affected) Fortinet acknowledged i...

Microsoft on Tuesday rolled out fixes for a massive set of 111 security flaws across its software portfolio, including one flaw that has been disclosed as publicly known at the time of the release. Of the 111 vulnerabilities, 16 are rated Critical, 92 are rated Important, two are rated Moderate, and one is rated Low in severity. Forty-four of the vulnerabilities relate to privilege escalation, followed by remote code execution (35), information disclosure (18), spoofing (8), and denial-of-service (4) defects. This is in addition to 16 vulnerabilities addressed in Microsoft's Chromium-based Edge browser since the release of last month's Patch Tuesday update , including two spoofing bugs affecting Edge for Android. Included among the vulnerabilities is a privilege escalation vulnerability impacting Microsoft Exchange Server hybrid deployments ( CVE-2025-53786 , CVSS score: 8.0) that Microsoft disclosed last week. The publicly disclosed zero-day is CVE-2025-53779 (CVS...

Cybersecurity researchers are warning of a "significant spike" in brute-force traffic aimed at Fortinet SSL VPN devices. The coordinated activity, per threat intelligence firm GreyNoise, was observed on August 3, 2025, with over 780 unique IP addresses participating in the effort. As many as 56 unique IP addresses have been detected over the past 24 hours. All the IP addresses have been classified as malicious, with the IPs originating from the United States, Canada, Russia, and the Netherlands. Targets of the brute-force activity include the United States, Hong Kong, Brazil, Spain, and Japan. "Critically, the observed traffic was also targeting our FortiOS profile, suggesting deliberate and precise targeting of Fortinet's SSL VPNs," GreyNoise said . "This was not opportunistic -- it was focused activity." The company also pointed out that it identified two distinct assault waves spotted before and after August 5: One, a long-running, brute-force a...

The Dutch National Cyber Security Centre (NCSC-NL) has warned of cyber attacks exploiting a recently disclosed critical security flaw impacting Citrix NetScaler ADC products to breach organizations in the country. The NCSC-NL said it discovered the exploitation of CVE-2025-6543 targeting several critical organizations within the Netherlands, and that investigations are ongoing to determine the extent of the impact. CVE-2025-6543 (CVSS score: 9.2) is a critical security vulnerability in NetScaler ADC that results in unintended control flow and denial-of-service (DoS) when the devices are configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server. The vulnerability was first disclosed in late June 2025, with patches released in the following versions - NetScaler ADC and NetScaler Gateway 14.1 prior to 14.1-47.46 NetScaler ADC and NetScaler Gateway 13.1 prior to 13.1-59.19 NetScaler ADC 13.1-FIPS and NDcPP prior to 13.1-37.236-FIPS and NDcPP ...

Malicious actors have been observed exploiting a now-patched critical security flaw impacting Erlang/Open Telecom Platform (OTP) SSH as early as beginning of May 2025, with about 70% of detections originating from firewalls protecting operational technology (OT) networks. The vulnerability in question is CVE-2025-32433 (CVSS score: 10.0), a missing authentication issue that could be abused by an attacker with network access to an Erlang/OTP SSH server to execute arbitrary code. It was patched in April 2025 with versions OTP-27.3.3, OTP-26.2.5.11, and OTP-25.3.2.20. Then in June 2025, the U.S. Cybersecurity and Infrastructure Security Agency (CISA) added the flaw to its Known Exploited Vulnerabilities (KEV) catalog, based on evidence of active exploitation. "At the heart of Erlang/OTP's secure communication capabilities lies its native SSH implementation — responsible for encrypted connections, file transfers and most importantly, command execution," Palo Alto Networks U...

The maintainers of the WinRAR file archiving utility have released an update to address an actively exploited zero-day vulnerability. Tracked as CVE-2025-8088 (CVSS score: 8.8), the issue has been described as a case of path traversal affecting the Windows version of the tool that could be exploited to obtain arbitrary code execution by crafting malicious archive files. "When extracting a file, previous versions of WinRAR, Windows versions of RAR, UnRAR, portable UnRAR source code and UnRAR.dll can be tricked into using a path, defined in a specially crafted archive, instead of a specified path," WinRAR said in an advisory. Anton Cherepanov, Peter Kosinar, and Peter Strycek from ESET have been credited for discovering and reporting the security defect, which has been addressed in WinRAR version 7.13 released on July 30, 2025. The development is the second time a WinRAR security vulnerability has been weaponized in the wild in as many years. In 2023, another vulnerabil...

A novel attack technique could be weaponized to rope thousands of public domain controllers (DCs) around the world to create a malicious botnet and use it to conduct powerful distributed denial-of-service (DDoS) attacks. The approach has been codenamed Win-DDoS by SafeBreach researchers Or Yair and Shahak Morag, who presented their findings at the DEF CON 33 security conference today. "As we explored the intricacies of the Windows LDAP client code, we discovered a significant flaw that allowed us to manipulate the URL referral process to point DCs at a victim server to overwhelm it," Yair and Morag said in a report shared with The Hacker News. "As a result, we were able to create Win-DDoS, a technique that would enable an attacker to harness the power of tens of thousands of public DCs around the world to create a malicious botnet with vast resources and upload rates. All without purchasing anything and without leaving a traceable footprint." In transfor...

Cybersecurity researchers have presented new findings related to a now-patched security issue in Microsoft's Windows Remote Procedure Call (RPC) communication protocol that could be abused by an attacker to conduct spoofing attacks and impersonate a known server. The vulnerability, tracked as CVE-2025-49760 (CVSS score: 3.5), has been described by the tech giant as a Windows Storage spoofing bug. It was fixed in July 2025 as part of its monthly Patch Tuesday update. Details of the security defect were shared by SafeBreach researcher Ron Ben Yizhak at the DEF CON 33 security conference this week. "External control of file name or path in Windows Storage allows an authorized attacker to perform spoofing over a network," the company said in an advisory released last month. The Windows RPC protocol utilizes universally unique identifiers (UUIDs) and an Endpoint Mapper (EPM) to enable the use of dynamic endpoints in client-server communications, and connect an RPC clien...

Cybersecurity researchers have disclosed vulnerabilities in select model webcams from Lenovo that could turn them into BadUSB attack devices. "This allows remote attackers to inject keystrokes covertly and launch attacks independent of the host operating system," Eclypsium researchers Paul Asadoorian, Mickey Shkatov, and Jesse Michael said in a report shared with The Hacker News. The vulnerabilities have been codenamed BadCam (aka CVE-2025-4371 ) by the firmware security company. The findings were presented at the DEF CON 33 security conference today. The development likely marks the first time it has been demonstrated that threat actors who gain control of a Linux-based USB peripheral that's already attached to a computer can weaponize it for malicious intent. In a hypothetical attack scenario, an adversary can take advantage of the vulnerability to send a victim a backdoored webcam, or attach it to a computer if they are able to secure physical access, and remot...

Cybersecurity researchers have uncovered multiple security flaws in Dell's ControlVault3 firmware and its associated Windows APIs that could have been abused by attackers to bypass Windows login, extract cryptographic keys, as well as maintain access even after a fresh operating system install by deploying undetectable malicious implants into the firmware. The vulnerabilities have been codenamed ReVault by Cisco Talos. More than 100 models of Dell laptops running Broadcom BCM5820X series chips are affected. There is no evidence that the vulnerabilities have been exploited in the wild. Industries that require heightened security when logging in, via smart card readers or near-field communication (NFC) readers, are likely to use ControlVault devices in their settings. ControlVault is a hardware-based security solution that offers a secure way to store passwords, biometric templates, and security codes within the firmware. Attackers can chain the vulnerabilities, which were pres...

Cybersecurity researchers have discovered over a dozen vulnerabilities in enterprise secure vaults from CyberArk and HashiCorp that, if successfully exploited, can allow remote attackers to crack open corporate identity systems and extract enterprise secrets and tokens from them.  The 14 vulnerabilities, collectively named Vault Fault , affect CyberArk Secrets Manager, Self-Hosted, and Conjur Open Source and HashiCorp Vault, according to a report from an identity security firm Cyata. Following responsible disclosure in May 2025, the flaws have been addressed in the following versions - CyberArk Secrets Manager and Self-Hosted 13.5.1 and 13.6.1 CyberArk Conjur Open Source 1.22.1 HashiCorp Vault Community Edition 1.20.2 or Vault Enterprise 1.20.2, 1.19.8, 1.18.13, and 1.16.24 These include authentication bypasses, impersonation, privilege escalation bugs, code execution pathways, and root token theft. The most severe of the issues allows for remote code execution, allowing a...

Now that we are well into 2025, cloud attacks are evolving faster than ever and artificial intelligence (AI) is both a weapon and a shield. As AI rapidly changes how enterprises innovate, security teams are now tasked with a triple burden: Secure AI embedded in every part of the business. Use AI to defend faster and smarter. Fight AI-powered threats that execute in minutes—or seconds. Security is no longer about balancing speed and safety. In today's cloud-native world, real-time, context-aware defense is a baseline expectation, not a competitive edge. The recent Sysdig Cloud Defense Report 2025 breaks down this tectonic shift. Below, we unpack its key insights for security practitioners aiming to stay ahead of an accelerating threat landscape. AI: The Double-Edged Sword of Cloud Security AI is transforming the security paradigm. It's both empowering defenders while creating entirely new attack surfaces. AI for Security: Fighting Fire with Fire Attackers are automating f...

Microsoft has released an advisory for a high-severity security flaw affecting on-premise versions of Exchange Server that could allow an attacker to gain elevated privileges under certain conditions. The vulnerability, tracked as CVE-2025-53786 , carries a CVSS score of 8.0. Dirk-jan Mollema with Outsider Security has been acknowledged for reporting the bug. "In an Exchange hybrid deployment, an attacker who first gains administrative access to an on-premises Exchange server could potentially escalate privileges within the organization's connected cloud environment without leaving easily detectable and auditable traces," the tech giant said in the alert. "This risk arises because Exchange Server and Exchange Online share the same service principal in hybrid configurations." Successful exploitation of the flaw could allow an attacker to escalate privileges within the organization's connected cloud environment without leaving easily detectable and audit...