Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.

CVE-2026-112158 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:5.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CNA: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
https://github.com/MeetFireAgain/cve/mikrotik/routeros-ipt-same-integer-overflow-brick.md	[email protected]	Broken Link
https://vuldb.com/cve/CVE-2026-112158	[email protected]	AdvisoryPermission Required
https://vuldb.com/submit/956852	[email protected]	Permission Required
https://vuldb.com/vuln/422285	[email protected]	AdvisoryPermission Required
https://vuldb.com/vuln/422285/cti	[email protected]	AdvisoryPermission Required

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-189	Numeric Errors	[email protected]
CWE-190	Integer Overflow or Wraparound	[email protected]

Affected Products

Product	Versions
MikroTik RouterOS	<= 6.40.5 (semver) <= 6.44 <= 7.20.8 (semver)
CPE cpe:2.3:o:mikrotik:routeros:::::::: Remediation Upgrade: 7.21.5moderate effort Upgrade: 7.23.1moderate effort

Change History

2 change records found show changes

Date	Action	Recorded By
Oct 19, 2026	CVE Modified	CISA-ADP
Oct 19, 2026	New CVE Received	[email protected]