Ssh-2.0-cisco-1.25 Vulnerability Upd Jun 2026

SSH-<protocol version>-<software version> <comments>

If the device was previously using weak keys, generate new, stronger keys. ssh-2.0-cisco-1.25 vulnerability

That morning she made a quick plan. First, she isolated the affected device by moving management access to an alternate path and restricting SSH access in the firewall to only her workstation’s IP. She then pulled the exact firmware and configuration versions from the router and compared them against the vendor’s advisory. The advisory described a flaw in certain Cisco SSH implementations where malformed negotiation packets could cause a buffer overflow, allowing unauthenticated attackers to crash the SSH service or execute code. ssh-2.0-cisco-1.25 vulnerability