CVE-2002-0256: The telnet port in Arescom NetDSL 1000 router allows remote attackers to cause a denial of service via a se...

Security readout for executives and security teams

CVE-2002-0256 is a denial-of-service issue in the telnet service of the Arescom NetDSL 1000 router. Repeated connections carrying long strings can trigger many failed logins and cause telnet management access to stop. The provided sources do not identify data theft or code execution impact. Exposure is most likely on legacy Arescom NetDSL 1000 routers with telnet reachable from untrusted networks. The source bundle does not provide version ranges, firmware identifiers, or deployment prevalence, so asset validation is required. Treat this as a legacy-exposure cleanup item unless a reachable router is business-critical. If telnet is exposed externally, prioritize containment because the likely impact is loss of remote management availability, not confirmed compromise. Mitigation focus: Check vendor or archival device guidance for firmware or configuration advice.; Disable telnet management where operationally feasible.; Restrict telnet access to trusted administration networks only..

Prepared

Jul 1, 2026, 07:13 UTC (UTC+00:00)

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