CVE-2026-56719

6.5 MEDIUM

Published 2026-09-16 · Updated 2026-09-16

AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.

NVD description

MikroTik RouterOS before 7.24 contains an out-of-bounds read vulnerability in the userspace SMB daemon that allows unauthenticated attackers to read beyond the end of the request buffer by supplying a crafted uniPwdLen field value in a minimal SMB1 SessionSetupAndX frame. The out-of-bounds read occurs in the SessionSetupAndX handler before any credential validation, potentially exposing sensitive memory contents.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

Weaknesses

CWE-125

References

https://forum.mikrotik.com/t/7-24-stable-is-released/272381
https://www.vulncheck.com/advisories/mikrotik-routeros-out-of-bounds-read-via-smb1-sessionsetupandx

Data: NVD (public domain). Analysis: local $0 model. Defensive use only.