CISA Confirms VMware ESXi 0-Day Vulnerability Exploited in Ransomware Operations

The Cybersecurity and Infrastructure Security Agency (CISA) has officially added a critical vulnerability affecting VMware ESXi to its Known Exploited Vulnerabilities (KEV) catalog. Tracked as CVE-2025-22225, this zero-day flaw allows attackers to escape security sandboxes. It is currently being leveraged in…

Cisco Warns of Meeting Management Flaw Enabling Arbitrary File Upload by Remote Attackers

Cisco has released a security advisory detailing a high-severity vulnerability in Cisco Meeting Management (CMM). The flaw, caused by improper input validation, allows authenticated remote attackers to upload arbitrary files and potentially execute commands with root privileges. The vulnerability is located…

Cyberattackers Exploit DNS TXT Records in ClickFix Script to Execute Malicious PowerShell Commands

A new evolution in the “ClickFix” social engineering campaigns, dubbed KongTuke. This latest variant, observed actively since late December 2025, distinguishes itself by leveraging DNS TXT records to stage and retrieve malicious payloads, marking a significant shift in evasion tactics. The “ClickFix” technique…