CVE-2026-112158
MikroTik RouterOS ipt_SAME.ko same_check integer overflow
Published Oct 19, 2026
CVSS 4.0 · 7.1 High
EPSS < 1%
KEV · Not listed
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.
Affected Products
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CVE record
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NVD configurations
No data
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Red Hat packages
No data
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OpenCVE enrichment
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| MikroTik | RouterOS | affected |
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No data.
No data.
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| Mikrotik | Routeros |
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Remediation
Tracking
Advisories
Metrics
Attack Vector Network
Attack Complexity Low
Privileges Required Low
Attack Requirements None
User Interaction None
Vulnerable System Confidentiality Impact None
Vulnerable System Integrity Impact None
Vulnerable System Availability Impact High
Subsequent System Confidentiality Impact None
Subsequent System Integrity Impact None
Subsequent System Availability Impact None
Attack Vector Network
Attack Complexity Low
Privileges Required Low
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
User Interaction None
Attack Vector Network
Attack Complexity Low
Privileges Required Low
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
User Interaction None
Access Vector Network
Access Complexity Low
Authentication Single
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.334% probability within 30 days)
Exploitation none
Automatable no
Technical Impact partial
References
History
Oct 19, 2026 6:30 PM
Scoring metrics updated
View changes
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Oct 19, 2026 4:15 PM
Description updated. Title updated. First appearance in the feed. Weaknesses updated. Affected versions updated. Affected vendors updated. Added references. Scoring metrics updated
View changes
| 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
|
