GeoVision GV-LPC2011/2211 devices (≤1.12) face CRITICAL CVE-2026-57880: stack-based buffer overflow in RTSP auth enables remote, unauthenticated DoS or code execution. Restrict RTSP access, monitor traffic. Patch status unknown. https://radar.offseq.com/threat/cve-2026-57880-cwe-121-stack-based-buffer-overflow-1d88eee9b47ed7bb #OffSeq #Vuln #IoTSecurity #CVE