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

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

Dec 18, 2025Ravie LakshmananVulnerability / Software Security 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… 

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

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

Dec 18, 2025Ravie LakshmananVulnerability / Network Security 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… 

Kimwolf Botnet Hijacks 1.8 Million Android TVs, Launches Large-Scale DDoS Attacks

Kimwolf Botnet Hijacks 1.8 Million Android TVs, Launches Large-Scale DDoS Attacks

A new distributed denial-of-service (DDoS) botnet known as Kimwolf has enlisted a massive army of no less than 1.8 million infected devices comprising Android-based TVs, set-top boxes, and tablets, and may be associated with another… 

APT28 Targets Ukrainian UKR-net Users in Long-Running Credential Phishing Campaign

APT28 Targets Ukrainian UKR-net Users in Long-Running Credential Phishing Campaign

Dec 17, 2025Ravie LakshmananEmail Security / Threat Intelligence The Russian state-sponsored threat actor known as APT28 has been attributed to what has been described as a “sustained” credential-harvesting campaign targeting users of UKR[.]net, a webmail…