CVE-2026-86060
CRITICAL
9,2
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
CRITICAL
9,8
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Description
AI Translation Available
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)
EPSS (Exploit Prediction Scoring System)
Trend Analysis
EPSS (Exploit Prediction Scoring System)
Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.
EPSS Score
0,0040
Percentile
0,3th
Updated
EPSS Score Trend (Last 5 Days)
88
Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')
DraftCommon Consequences
Security Scopes Affected:
Confidentiality
Integrity
Availability
Other
Potential Impacts:
Execute Unauthorized Code Or Commands
Alter Execution Logic
Read Application Data
Modify Application Data
Applicable Platforms
Languages:
Not Language-Specific, PHP
Operating System
Routeros by Mikrotik
Version Range Affected
From
7.0
(inclusive)
To
7.23.4
(exclusive)
CPE Identifier
View Detailed Analysis
cpe:2.3:o:mikrotik:routeros:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System
Routeros by Mikrotik
Version Range Affected
From
7.24
(inclusive)
To
7.24.2
(exclusive)
CPE Identifier
View Detailed Analysis
cpe:2.3:o:mikrotik:routeros:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System
Routeros by Mikrotik
Version Range Affected
From
6.0
(inclusive)
To
6.49.21
(exclusive)
CPE Identifier
View Detailed Analysis
cpe:2.3:o:mikrotik:routeros:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026…
https://cert.pl/en/posts/2026/09/mikrotik-routeros-cve
https://cert.pl/en/posts/2026/09/vulnerabilities-in-mikrotik-routeros-actively-…
https://forum.mikrotik.com/t/6-49-21-long-term-is-released/272802
https://forum.mikrotik.com/t/7-23-4-long-term-is-released/272801
https://forum.mikrotik.com/t/7-24-2-stable-is-released/272800
https://mikrotik.com/supportsec/september-2026-vulnerability/
https://npratley.net/reversing-mikrotiks-silent-patch-the-routeros-7-23-4-fix-t…