CVE-1999-1389: US Robotics/3Com Total Control Chassis with Frame Relay between 3.6.22 and 3.7.24 does not properly enforce access filte
Summary
US Robotics/3Com Total Control Chassis with Frame Relay between 3.6.22 and 3.7.24 does not properly enforce access filters when the "set host prompt" setting is made for a port, which allows attackers to bypass restrictions by providing the hostname twice at the "host: " prompt.
Severity
UNKNOWN
Source Attribution
Source: NVD · Updated: 2026-08-21T04:30:40.241Z · Confidence: high
Impact
Based on CVSS vector: n/a — assess confidentiality, integrity, and availability impact via the official vector documentation.
Affected Software
Fix
Upgrade affected software to the fixed version identified above. Apply vendor patches and monitor advisories before exposed systems go unpatched.