Ssh-2.0-cisco-1.25 Vulnerability |best| Jun 2026

The SSH banner string SSH-2.0-Cisco-1.25 indicates that the target device is running Cisco's legacy SSH implementation, typically found on older Cisco IOS, IOS-XE, or PIX/ASA software versions. This specific version string is widely associated with Cisco devices operating on older, potentially unsupported software trains.

This limits exposure but doesn’t fix the flaw. ssh-2.0-cisco-1.25 vulnerability

If immediate patching is not possible, consider temporarily disabling RSA-based public key authentication if it is the primary vector for a known bypass. CVE-2020-3200 Detail - NVD The SSH banner string SSH-2