MEDIUM 6.3 NVD
CVE-2026-56719
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
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.
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-session
This medium severity vulnerability with a CVSS score of 6.3 was published on 2026-09-16 via NVD.
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