CVE-2026-25532 is a high-severity vulnerability affecting the Espressif IoT Development Framework (ESP-IDF) in versions 5.5.2, 5.4.3, 5.3.4, 5.2.6, and 5.1.6. It involves an integer underflow in the WPS Enrollee implementation when processing malformed EAP-WSC packets, leading to a large unsigned value being used for fragment length. This vulnerability has a CVSS score of 8.0 (HIGH) due to its potential for high impact on confidentiality, integrity, and availability, requiring user interaction and network access for exploitation. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
5.1.6CPE matchmatch criteria | cpe:2.3:a:espressif:esp-idf:5.1.6:*:*:*:*:*:*:* | ||
5.2.6CPE matchmatch criteria | cpe:2.3:a:espressif:esp-idf:5.2.6:*:*:*:*:*:*:* | ||
5.3.4CPE matchmatch criteria | cpe:2.3:a:espressif:esp-idf:5.3.4:*:*:*:*:*:*:* | ||
5.4.3CPE matchmatch criteria | cpe:2.3:a:espressif:esp-idf:5.4.3:*:*:*:*:*:*:* | ||
5.5.2CPE matchmatch criteria | cpe:2.3:a:espressif:esp-idf:5.5.2:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
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