Rosa was the network engineer for a small regional hospital. One quiet Sunday she noticed unusual login attempts on a Cisco router that connected the hospital’s outpatient clinics. The logs showed a banner string: “SSH-2.0-Cisco-1.25.” She recognized the banner from a vendor advisory she’d skimmed weeks earlier but had never fully investigated.
SSH-2.0-Cisco-1.25 is not a CVE by itself — it’s a banner string identifying a Cisco IOS or IOS-XE device running an SSH server version derived from old/embedded code.
It’s often flagged in scans because: ssh-2.0-cisco-1.25 vulnerability
The string SSH-2.0-Cisco-1.25 is not a vulnerability itself, but rather the SSH banner (software version identifier) typically broadcast by Cisco IOS and IOS XE devices during the initial connection phase. Most security scanners (Nessus, Qualys, OpenVAS) flag SSH-2
References
access-list 100 permit tcp <trusted-networks> any eq 22
line vty 0 4
access-class 100 in
Most security scanners (Nessus, Qualys, OpenVAS) flag SSH-2.0-Cisco-1.25 as “Potential SSH Vulnerability” – not critical alone, but a strong indicator the device is outdated. Most security scanners (Nessus
Vulnerability Details