Ssh20cisco125 Vulnerability Exclusive May 2026

Improper resource management and logic errors during SSH session negotiation.

Devices running Cisco IOS 12.4-based releases. ssh20cisco125 vulnerability exclusive

A successful exploit causes the device to experience a "spurious memory access error" and reload. Repeated exploitation can keep the network infrastructure offline indefinitely. Affected Cisco Systems Improper resource management and logic errors during SSH