SSH session privilege manipulation via a crafted username in Mikrotik RouterOS
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||
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| Mikrotik | RouterOS | unaffected |
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Configuration 1 [-]
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No data.
| Vendor | Product | Versions | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mikrotik | Routeros |
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No CVSS v3.0
No CVSS v2
This CVE is in the KEV database since Sept. 10, 2026.
Exploit prediction score: 6.4% (6.392% probability within 30 days)
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | cpe:2.3:o:mikrotik:routeros:*:*:*:*:*:*:*:* | |
| Metrics |
cvssV3_1
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| Type | Values Removed | Values Added |
|---|---|---|
| References |
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| Metrics |
ssvc
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ssvc
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| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
kev
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| Type | Values Removed | Values Added |
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| Metrics |
ssvc
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| Description | RouterOS contains an argument-handling flaw in the SSH login path involving usernames that begin with a prohibited character, allowing for the trusted RouterOS policy mask to be changed, leading to privilege escalation. Exploitation requires an unauthenticated SSH session to reach the RouterOS login helper.This issue was fixed in versions: 6.49.21 (Lont-term), 7.23.4 (Lont-term) and 7.24.2 (Stable) | RouterOS contains an argument-handling flaw in the SSH login path involving usernames that begin with a prohibited character, allowing for the trusted RouterOS policy mask to be changed, leading to privilege escalation. Exploitation requires an unauthenticated SSH session to reach the RouterOS login helper.This issue was fixed in versions: 6.49.21 (Long-term), 7.23.4 (Long-term) and 7.24.2 (Stable) |
| Type | Values Removed | Values Added |
|---|---|---|
| Description | RouterOS contains an argument-handling flaw in the SSH login path involving usernames that begin with a prohibited character, allowing for the trusted RouterOS policy mask to be changed, leading to privilege escalation. Exploitation requires an unauthenticated SSH session to reach the RouterOS login helper.This issue was fixed in versions: 6.49.21 (Lont-term), 7.23.4 (Lont-term) and 7.24.2 (Stable) | |
| Title | SSH session privilege manipulation via a crafted username in Mikrotik RouterOS | |
| First Time appeared |
Mikrotik
Mikrotik routeros |
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| Weaknesses | CWE-88 | |
| CPEs | cpe:2.3:a:mikrotik:routeros:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Mikrotik
Mikrotik routeros |
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| References |
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| Metrics |
cvssV4_0
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