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.
Published: 2026-10-19
Score: 7.1 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Mon, 19 Oct 2026 16:15:00 +0000

Type Values Removed Values Added
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.
Title MikroTik RouterOS ipt_SAME.ko same_check integer overflow
First Time appeared Mikrotik
Mikrotik routeros
Weaknesses CWE-189
CWE-190
CPEs cpe:2.3:o:mikrotik:routeros:*:*:*:*:*:*:*:*
Vendors & Products Mikrotik
Mikrotik routeros
References
Metrics cvssV2_0

{'score': 6.8, 'vector': 'AV:N/AC:L/Au:S/C:N/I:N/A:C/E:ND/RL:OF/RC:C'}

cvssV3_0

{'score': 6.5, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:X/RL:O/RC:C'}

cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:X/RL:O/RC:C'}

cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X'}

Subscriptions

Mikrotik Routeros
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-10-19T17:09:43.696Z

Reserved: 2026-10-19T07:05:54.496Z

Link: CVE-2026-112158

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-19T16:17:05.917

Modified: 2026-10-19T17:17:13.777

Link: CVE-2026-112158

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses