SEPTEMBER 14, 2026
Live Feed
Back to database
Case File

CVE-2026-86060

CRITICAL · CVSS 9.8 EPSS 1.02% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-05 · Last synced 2026-09-14

CyberRota Analysis

AI-Generated

RouterOS is vulnerable due to an argument-handling flaw in the SSH login process that allows attackers to exploit usernames starting with a prohibited character, enabling privilege escalation by altering the trusted policy mask. This critical vulnerability requires an unauthenticated SSH session to exploit, posing significant risks to network security. Organizations using affected versions should prioritize immediate updates to versions 6.49.21, 7.23.4, or 7.24.2 to mitigate potential attacks.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-86060
Severity
CRITICAL
CVSS
9.8
EPSS
1.02%

Original NVD 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 (Long-term), 7.23.4 (Long-term) and 7.24.2 (Stable)

Related CVEs

Other vulnerabilities affecting the same vendor(s)