CVE-2013-1154: The Cisco Small Business 200 Series Smart Switch 1.2.7.76 and earlier, Small Business 300 Series Managed Sw...

Security readout for executives and security teams

This issue can let a remote attacker knock out SSH or SSL/TLS management functionality on certain Cisco Small Business switches by sending malformed traffic. It is a denial-of-service risk, not evidence of data theft or device takeover in the provided sources. Exposure is most likely where affected Cisco Small Business switches still run firmware 1.2.7.76 or earlier and expose SSH or SSL/TLS management interfaces to untrusted networks. Internal-only management reduces business urgency but does not remove the operational outage risk. Treat this as a legacy infrastructure reliability risk. Prioritize remediation for internet-exposed or broadly reachable management interfaces, especially in branch or small-office networks that rely on these switches for connectivity. Mitigation focus: Identify Cisco Small Business 200, 300, and 500 Series switches in use.; Check Cisco guidance for fixed firmware or supported replacement paths.; Restrict SSH and SSL/TLS management access to trusted administration networks..

Prepared

Jun 24, 2026, 11:46 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.