Answer in brief
CVE-2026-112158 records a High severity (CVSS 7.1) vulnerability in MikroTik RouterOS ipt_SAME.ko same_check integer overflow. The current sources do not mark it as known exploited. The current feed maps MikroTik/RouterOS (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps MikroTik/RouterOS (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| MikroTik/RouterOSgeneric | 6.0 || 6.1 || 6.2 || 6.3 || 6.4 || 6.5 || 6.6 || 6.7 || 6.8 || 6.9 || 6.10 || 6.11 || 6.12 || 6.13 || 6.14 || 6.15 || 6.16 || 6.17 || 6.18 || 6.19 || 6.20 || 6.21 || 6.22 || 6.23 || 6.24 || 6.25 || 6.26 || 6.27 || 6.28 || 6.29 || 6.30 || 6.31 || 6.32 || 6.33 || 6.34 || 6.35 || 6.36 || 6.37 || 6.38 || 6.39 || 6.40 || 6.40.0 || 6.40.1 || 6.40.2 || 6.40.3 || 6.40.4 || 6.40.5 || 6.41 || 6.42 || 6.43 || 6.44 || 7.20.0 || 7.20.1 || 7.20.2 || 7.20.3 || 7.20.4 || 7.20.5 || 7.20.6 || 7.20.7 || 7.20.8 | Not reported |
Published upstream
Oct 19, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 19, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Oct 19, 2026
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.
Quoted source text, attributed separately from HOL analysis.