Latest Cybersecurity News & Insights

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China-Linked Hackers Exploiting Zero-Day in Cisco Security Gear

The critical zero-day is tracked as CVE-2025-20393 and it impacts Secure Email Gateway and Secure Email and Web Manager appliances. The post China-Linked Hackers Exploiting Zero-Day in Cisco Security Gear appeared first on SecurityWeek.

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CISA Flags Critical ASUS Live Update Flaw After Evidence of Active Exploitation

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday added a critical flaw impacting ASUS Live Update to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation. The vulnerability, tracked as CVE-2025-59374 (CVSS score: 9.3), has been described as an "embedded malicious code vulnerability" introduced by means of a supply chain compromise

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Cisco Warns of Active Attacks Exploiting Unpatched 0-Day in AsyncOS Email Security Appliances

Cisco has alerted users of a maximum-severity zero-day flaw in Cisco AsyncOS software that has been actively exploited by a China-nexus advanced persistent threat (APT) actor codenamed UAT-9686 in attacks targeting Cisco Secure Email Gateway and Cisco Secure Email and Web Manager. The networking equipment major said it became aware of the intrusion campaign on December 10, 2025, and that it

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SonicWall Fixes Actively Exploited CVE-2025-40602 in SMA 100 Appliances

SonicWall has rolled out fixes to address a security flaw in Secure Mobile Access (SMA) 100 series appliances that it said has been actively exploited in the wild. The vulnerability, tracked as CVE-2025-40602 (CVSS score: 6.6), concerns a case of local privilege escalation that arises as a result of insufficient authorization in the appliance management console (AMC). It affects the following

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Dux Emerges From Stealth Mode With $9 Million in Funding

The startup takes an agentic approach to preventing vulnerability exploitation by uncovering exposure across assets. The post Dux Emerges From Stealth Mode With $9 Million in Funding appeared first on SecurityWeek.

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Amazon: Russian Hackers Now Favor Misconfigurations in Critical Infrastructure Attacks

After years of exploiting zero-day and n-day vulnerabilities, Russian state-sponsored threat actors are shifting to misconfigured devices. The post Amazon: Russian Hackers Now Favor Misconfigurations in Critical Infrastructure Attacks appeared first on SecurityWeek.

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JumpCloud Remote Assist Vulnerability Can Expose Systems to Takeover

The issue allows attackers to write arbitrary data to any file, or delete arbitrary files to obtain System privileges. The post JumpCloud Remote Assist Vulnerability Can Expose Systems to Takeover appeared first on SecurityWeek.

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Fortinet FortiGate Under Active Attack Through SAML SSO Authentication Bypass

Threat actors have begun to exploit two newly disclosed security flaws in Fortinet FortiGate devices, less than a week after public disclosure. Cybersecurity company Arctic Wolf said it observed active intrusions involving malicious single sign-on (SSO) logins on FortiGate appliances on December 12, 2025. The attacks exploit two critical authentication bypasses (CVE-2025-59718 and CVE-2025-59719

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React2Shell Vulnerability Actively Exploited to Deploy Linux Backdoors

The security vulnerability known as React2Shell is being exploited by threat actors to deliver malware families like KSwapDoor and ZnDoor, according to findings from Palo Alto Networks Unit 42 and NTT Security. "KSwapDoor is a professionally engineered remote access tool designed with stealth in mind," Justin Moore, senior manager of threat intel research at Palo Alto Networks Unit 42, said in a

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Google to Shut Down Dark Web Monitoring Tool in February 2026

Google has announced that it's discontinuing its dark web report tool in February 2026, less than two years after it was launched as a way for users to monitor if their personal information is found on the dark web. To that end, scans for new dark web breaches will be stopped on January 15, 2026, and the feature will cease to exist effective February 16, 2026. "While the report offered general

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FreePBX Patches Critical SQLi, File-Upload, and AUTHTYPE Bypass Flaws Enabling RCE

Multiple security vulnerabilities have been disclosed in the open-source private branch exchange (PBX) platform FreePBX, including a critical flaw that could result in an authentication bypass under certain configurations. The shortcomings, discovered by Horizon3.ai and reported to the project maintainers on September 15, 2025, are listed below - CVE-2025-61675 (CVSS score: 8.6) - Numerous

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Apple Patches Two Zero-Days Tied to Mysterious Exploited Chrome Flaw

Apple has released macOS and iOS updates to patch two WebKit zero-days exploited in an “extremely sophisticated” attack. The post Apple Patches Two Zero-Days Tied to Mysterious Exploited Chrome Flaw appeared first on SecurityWeek.

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CISA Adds Actively Exploited Sierra Wireless Router Flaw Enabling RCE Attacks

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Friday added a high-severity flaw impacting Sierra Wireless AirLink ALEOS routers to its Known Exploited Vulnerabilities (KEV) catalog, following reports of active exploitation in the wild. CVE-2018-4063 (CVSS score: 8.8/9.9) refers to an unrestricted file upload vulnerability that could be exploited to achieve remote code

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Apple Issues Security Updates After Two WebKit Flaws Found Exploited in the Wild

Apple on Friday released security updates for iOS, iPadOS, macOS, tvOS, watchOS, visionOS, and its Safari web browser to address two security flaws that it said have been exploited in the wild, one of which is the same flaw that was patched by Google in Chrome earlier this week. The vulnerabilities are listed below - CVE-2025-43529 (CVSS score: N/A) - A use-after-free vulnerability in WebKit

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Recent GeoServer Vulnerability Exploited in Attacks

Because user input is not sufficiently sanitized, attackers could exploit the flaw to define external entities within an XML request. The post Recent GeoServer Vulnerability Exploited in Attacks appeared first on SecurityWeek.

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MITRE Releases 2025 List of Top 25 Most Dangerous Software Vulnerabilities

XSS remains the top software weakness, followed by SQL injection and CSRF. Buffer overflow issues and improper access control make it to top 25. The post MITRE Releases 2025 List of Top 25 Most Dangerous Software Vulnerabilities appeared first on SecurityWeek.

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Notepad++ Patches Updater Flaw After Reports of Traffic Hijacking

Notepad++ found a vulnerability in the way the software updater authenticates update files.  The post Notepad++ Patches Updater Flaw After Reports of Traffic Hijacking appeared first on SecurityWeek.

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New React RSC Vulnerabilities Enable DoS and Source Code Exposure

The React team has released fixes for two new types of flaws in React Server Components (RSC) that, if successfully exploited, could result in denial-of-service (DoS) or source code exposure. The team said the issues were found by the security community while attempting to exploit the patches released for CVE-2025-55182 (CVSS score: 10.0), a critical bug in RSC that has since been weaponized in

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React2Shell Exploitation Escalates into Large-Scale Global Attacks, Forcing Emergency Mitigation

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has urged federal agencies to patch the recent React2Shell vulnerability by December 12, 2025, amid reports of widespread exploitation. The critical vulnerability, tracked as CVE-2025-55182 (CVSS score: 10.0), affects the React Server Components (RSC) Flight protocol. The underlying cause of the issue is an unsafe deserialization

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$320,000 Paid Out at Zeroday.Cloud for Open Source Software Exploits

Participants earned rewards at the hacking competition for Grafana, Linux Kernel, Redis, MariaDB, and PostgreSQL vulnerabilities. The post $320,000 Paid Out at Zeroday.Cloud for Open Source Software Exploits appeared first on SecurityWeek.