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CVE-2026-89028 MikroTik RouterOS before 7.24 contains a heap memory corruption vulnerability in the userspace SMB daemon that allows…

Description

MikroTik RouterOS before 7.24 contains a heap memory corruption vulnerability in the userspace SMB daemon that allows remote attackers to corrupt adjacent heap memory by supplying a crafted uniPwdLen value in the SMB1 SessionSetupAndX handler. An attacker can send a malformed SMB1 request with a uniPwdLen field that triggers an integer underflow, causing the resulting value to be used as the copy length in a memory copy operation into a smaller heap buffer, corrupting adjacent heap memory.

Produits et versions touchés

Produit Versions touchées Corrigé en
RouterOS 7.24 premières → < 7.24.0 7.24.0
RouterOS 7.0 7.0.0 → 7.11.2 Pas de correctif indiqué
RouterOS 6.49 premières → 6.49.18 Pas de correctif indiqué
Les 26 CVE de RouterOS →
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