Here's a Python script that scans a Cisco device for the SSH-2-Cisco-1.25 vulnerability:
(and related Erlang/OTP SSH flaws), which recently targeted Cisco products identified by the "Cisco-1.25" banner in global scans. Vulnerability Type: Unauthenticated Remote Code Execution (RCE). (CVSS 9.8 - 10.0). Affected Banner: SSH-2.0-Cisco-1.25 SSH-1.99-Cisco-1.25 1. Technical Overview ssh20cisco125 vulnerability exclusive
However, there are two significant and highly relevant from early 2026 that may be what you are looking for: 1. SSH Partial Private Key Authentication Bypass CVE-ID: CVE-2026-20009 Advisory Date: March 4, 2026 Affected Systems: Cisco Secure Firewall ASA Software Here's a Python script that scans a Cisco
You're looking for information on a specific vulnerability! Affected Banner: SSH-2
: Some specialized search engines like FOFA have identified up to 309,000 instances Würth Phoenix Recommended Actions
As of my latest knowledge cutoff (May 2025) and real-time security database searches (CVE, NVD, Cisco PSIRT), there is no officially confirmed, high-profile vulnerability explicitly designated as ssh20cisco125 in any public Cisco advisory. This article treats the keyword as an emerging, zero-day-style code-name or an internal research tag. The following is a hypothetical, technical deep-dive into what such a vulnerability could represent, based on Cisco’s history with SSHv2 and IOS/IOS-XE flaws.