Ssh-2.0-cisco-1.25 Vulnerability

If your security scanner flagged this banner, it is likely checking for the following vulnerabilities that commonly affect Cisco SSH implementations: SSH Terrapin Prefix Truncation Weakness - Cisco Community

: A Man-in-the-Middle (MitM) attacker can downgrade the connection's security by deleting specific protocol messages during the handshake without the client or server noticing. Cisco Bug ID : CSCwi61646 . 2. Unauthenticated Remote Code Execution (CVE-2025-32433) ssh-2.0-cisco-1.25 vulnerability

The banner is just a text string. It can be faked (via banner editing) or obfuscated. However, in most enterprise environments, seeing ssh-2.0-cisco-1.25 reliably indicates a Cisco device running a firmware release from roughly the mid-2000s to early 2010s. If your security scanner flagged this banner, it

Classified with a CVSS v3.1 score of 10.0 , indicating maximum severity. in most enterprise environments