CVE-2026-93866

Fireware OS Pre-Authentication Integer Overflow in Access Portal Allows Out-of-Bounds Write

En bref

Sévérité
CRITICAL 9.2
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
WatchGuard
Statut NVD
Received

Description

An integer overflow vulnerability in the WebSocket connection handling used by WatchGuard Fireware OS's Access Portal allows a remote, unauthenticated attacker to write beyond the bounds of a heap buffer by sending a specially crafted request while the Access Portal feature is enabled.

Scores

VersionScoreVecteurÉvalué par
CVSS 4.0CRITICAL 9.2CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NWatchGuard
CVSS 4.0CRITICAL 9.2CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XNVD · 5d1c2695-1a31-4499-88ae-e847036fd7e3 (Secondary)

Faiblesses (CWE)

Références européennes

Produits affectés

ProduitVersions
WatchGuard · Fireware OSaffected 2025.1 < 2026.4 ; affected 12.0 < 12.12.4
WatchGuard · Fireware OSaffected 12.0 < 12.5.22

Références

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
ENISA EUVDENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD