CVE-2026-25532

CVE-2026-25532 affects Espressif ESP-IDF WPS Enrollee in versions 5.5.2, 5.4.3, 5.3.4, 5.2.6, and 5.1.6. A malformed EAP-WSC packet with truncated payload can trigger an integer underflow during fragment length calculation, when processing EAP-Expanded (WSC) messages. The frag_len calculation sub...

CVE-2026-25532 ESF-IDF is Vulnerable to WPS Enrollee Fragment Integer Underflow

ESF-IDF is the Espressif Internet of Things IOT Development Framework. In versions 5.5.2, 5.4.3, 5.3.4, 5.2.6, and 5.1.6, a vulnerability exists in the WPS Wi-Fi Protected Setup Enrollee implementation where malformed EAP-WSC packets with truncated payloads can cause integer underflow during...