Ssh20cisco125 | Vulnerability

To move forward, please share a . I'll be glad to create safe, informative content for defenders.

In vulnerable Cisco devices, the software version field is overly specific. Instead of returning a generic string like SSH-2.0-Cisco , the device returns: SSH-2.0-Cisco125 ssh20cisco125 vulnerability

From an external Linux host:

If output shows rsa 1000 or modulus size: 125 , you are vulnerable. To move forward, please share a

At the Cisco device, verify if SSH version 2 is enforced (not version 1): To move forward

Configuration required Configuration required:

512 MB of RAM (1024 MB Recommended)
Intel Pentium® IV 1.6 GHz Processor
900MB of free disk space

Compatible with Compatible with:

Windows 7, Windows 7 64-bit, Windows 7 32-bit,
Windows 8, Windows 10, Windows 11.