CVE-2026-112158
mediumA weakness has been identified in MikroTik RouterOS up to 6.40.5/6.44/7.20.8.
A weakness has been identified in MikroTik RouterOS up to 6.40.5/6.44/7.20.8. Impacted is the function same_check of the file ipt_SAME.ko. Executing a manipulation can lead to integer overflow. The attack may be launched remotely. Upgrading to version 7.21.5 and 7.23.1 is recommended to address this issue. You should upgrade the affected component.
CVSS
6.5
6.5 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Severity source: NVD CVSS v3.1 (cna@vuldb.com)
Timeline (UTC)
Published: 2026-10-19 16:17
Modified: 2026-10-19 20:43
NVD status: Deferred
Last synced 2 days ago
Verified against the source API 2026-10-27 07:03 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/MeetFireAgain/cve/mikrotik/routeros-ipt-same-integer-overflow-brick.md cna@vuldb.com
- https://vuldb.com/cve/CVE-2026-112158 cna@vuldb.com
- https://vuldb.com/submit/956852 cna@vuldb.com
- https://vuldb.com/vuln/422285 cna@vuldb.com
- https://vuldb.com/vuln/422285/cti cna@vuldb.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 07:03 UTC · record ↗