Latest cybersecurity reporting from selected sources.

Several versions of firmware released by Chinese network device manufacturer Tenda have been found to embed an undocumented authentication backdoor that enables administrative access to the devices' web management interfaces, the CERT Coordination Center (CERT/CC) warned Monday

Google on Tuesday revealed that multiple threat actors, including nation-state adversaries and financially motivated groups, are exploiting a now-patched critical security flaw in RARLAB WinRAR to establish initial access and deploy a diverse array of payloads

2 More Vulnerabilities Need Patching in React Server Components, Warns VercelMass exploitation of the "React2Shell" - CVE-2025-55182 - vulnerability remains underway by nation-state hackers tied to China, North Korea and Iran, as well as financially motivated cybercriminals running everything from cryptomining malware to DDoS services, security experts warn.

Validated, Weaponized Exploit Code for Widely Used Web Framework Bug Now PublicWarnings continue to mount over a critical vulnerability in the widely used web application framework React, with threat intelligence analysts warning that it's being actively targeted by Chinese nation-state groups, and that a legitimate, weaponized proof-of-concept exploit is now public.

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.…

Industry Wants to Stick to Voluntary MeasuresU.S. telecommunications networks are still vulnerable to foreign intrusion, national security and industry panelists told senators during a Tuesday hearing, warning that China and other adversaries are refining long-term access into American infrastructure.

The Canadian Centre for Cyber Security and the U.S. Federal Bureau of Investigation (FBI) have issued an advisory warning of cyber attacks mounted by the China-linked Salt Typhoon actors to breach major global telecommunications providers as part of a cyber espionage campaign

Suspected Chinese Attackers Again Tied to Active Exploitation of VPN AppliancesVPN appliance maker Ivanti has begun releasing updates to patch a zero-day vulnerability being actively exploited by suspected nation-state attackers. Experts are warning users to immediately update their devices, after factory resetting them to flush any malware attackers may have installed.

Malware Targets Vulnerable Web Cameras and DVRs WorldwideHackers are deploying brute force attacks and using unpatched vulnerabilities to target Chinese-manufactured web cameras and DVRs, the FBI is warning. Targets include a range of organizations in Taiwan and at least one U.S. government server.

Chinese Cyber Espionage Campiagn Is 'Much Larger Than Previously Known'Chinese hackers breached thousands of vulnerable Fortigate network security appliances in a cyber-espionage campaign "much larger than previously known," a Dutch cybersecurity agency warned Tuesday. Even fully patched FortiGate devices may still be infected.

The White House urged operators of water and wastewater systems to review and beef up their security controls against attacks by Iran- and China-based groups.

Google-owned Mandiant said it identified new malware employed by a China-nexus espionage threat actor known as UNC5221 and other threat groups during post-exploitation activity targeting Ivanti Connect Secure VPN and Policy Secure devices

The U.S. Federal Bureau of Investigation (FBI) is warning that Barracuda Networks Email Security Gateway (ESG) appliances patched against a recently disclosed critical flaw continue to be at risk of potential compromise from suspected Chinese hacking groups

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) warned today of a high-severity Android vulnerability believed to have been exploited by a Chinese e-commerce app Pinduoduo as a zero-day to spy on its users. [...]