⚠️ CRITICAL: CVE-2026-8836 impacts lwIP ≤2.2.1 with a stack-based buffer overflow in SNMPv3 USM Handler. Remote code execution or DoS possible; patch via commit 0c957ec03054eb6c8205e9c9d1d05d90ada3898c. https://radar.offseq.com/threat/cve-2026-8836-stack-based-buffer-overflow-in-lwip-c51c4dd6 #OffSeq #lwIP #CVE20268836 #Vulnerability