Latest cybersecurity reporting from selected sources.

Unauthenticated Flaw Allows Full Router, Network TakeoverA hidden backdoor, disclosed by CERT/CC and found in multiple firmware versions made by Chinese manufacturer Tenda, bypasses authentication and could grant attackers administrative access. Researchers are reporting exploitation and an Nmap script is making vulnerable devices easier to identify.

Unauthenticated Flaw Allows Full Router, Network TakeoverA hidden backdoor, disclosed by CERT/CC and found in multiple firmware versions made by Chinese manufacturer Tenda, bypasses authentication and could grant attackers administrative access. Researchers are reporting exploitation and an Nmap script is making vulnerable devices easier to identify.

Mythos Found ‘Tens of Thousands’ of Unpatched Flaws With Months to Fix ThemAnthropic CEO Dario Amodei warned that Claude Mythos has found tens of thousands of unpatched software vulnerabilities, with a six-to-12 month window before Chinese AI models catch up. The disclosure came alongside a major financial services push including an investor-backed firm and 10 new AI agents.

Cisco on Thursday released security updates for a maximum-severity security flaw impacting Cisco AsyncOS Software for Cisco Secure Email Gateway and Cisco Secure Email and Web Manager, nearly a month after the company disclosed that it had been exploited as a zero-day by a China-nexus advanced persistent threat (APT) actor codenamed UAT-9686

Chinese-speaking threat actors used a compromised SonicWall VPN appliance to deliver a VMware ESXi exploit toolkit that seems to have been developed more than a year before the targeted vulnerabilities became publicly known. [...]

State-backed attackers started poking flaw as soon as it dropped – anyone still unpatched is on borrowed time Amazon has warned that China-nexus hacking crews began hammering the critical React "React2Shell" vulnerability within hours of disclosure, turning a theoretical CVSS-10 hole into a live-fire incident almost immediately.…

Two hacking groups with ties to China have been observed weaponizing the newly disclosed security flaw in React Server Components (RSC) within hours of it becoming public knowledge

Multiple China-linked threat actors began exploiting the React2Shell vulnerability (CVE-2025-55182) affecting React and Next.js just hours after the max-severity issue was disclosed. [...]

Also, North Korean Hackers Remotely Wipe Android DevicesThis week, the U.K. government probed Chinese electric buses for a kill switch, APT37 abused Google's Find Hub in South Korea, Conduent said its January hack will cost it more, Hyundai disclosed a breach and Patch Tuesday. OWASP added two new categories to its Top 10 web application vulnerabilities.

The exploitation of a recently disclosed critical security flaw in Motex Lanscope Endpoint Manager has been attributed to a cyber espionage group known as Tick

Expired security cert, real Brussels agenda, plus PlugX malware finish the job Cyber spies linked to the Chinese government exploited a Windows shortcut vulnerability disclosed in March – but that Microsoft hasn't fixed yet – to target European diplomats in an effort to steal defense and national security details.…

Threat actors with ties to China exploited the ToolShell security vulnerability in Microsoft SharePoint to breach a telecommunications company in the Middle East after it was publicly disclosed and patched in July 2025

Better late than never after SharePoint assault? Microsoft has reportedly stopped giving Chinese companies proof-of-concept exploit code for soon-to-be-disclosed vulnerabilities following last month's SharePoint zero-day attacks, which appear to be related to a leak in Redmond's early-bug-notification program.…

Hackers and cybercrime groups are part of a virtual feeding frenzy, after Microsoft's recent disclosure of new vulnerabilities in on-premises editions of SharePoint Server.

A recently disclosed critical security flaw impacting SAP NetWeaver is being exploited by multiple China-nexus nation-state actors to target critical infrastructure networks

Mandiant warned that Chinese espionage actor UNC5221 is actively exploiting a critical Ivanti vulnerability, which can lead to remote code execution

Google Says Iranian and Chinese Threat Group the Most ActiveIranian and Chinese threat actors are using Google's artificial intelligence application Gemini for vulnerability scanning and reconnaissance activities, with some attempting to bypass security guardrails of the application, the computing giant disclosed.

Hackers exploiting the critical Ivanti Connect Secure zero-day vulnerability disclosed yesterday installed on compromised VPN appliances new malware called 'Dryhook' and 'Phasejam' that is not currently associated with any threat group. [...]

A Mirai botnet variant has been found exploiting a newly disclosed security flaw impacting Four-Faith industrial routers since early November 2024 with the goal of conducting distributed denial-of-service (DDoS) attacks

Hackers Targeted a PAN-OS Flaw Days After Its DisclosureA suspected Chinese hacking campaign that began in November is exploiting a vulnerability in Palo Alto firewalls to install a custom malware backdoor for espionage. UNC5325 activity aligns with the Chinese hacking strategy of targeting edge devices.