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TI-2002-02073 Aliases CVE-2002-2159GHSA-367w-87rf-wcf4

Linksys EtherFast Cable/DSL BEFSR11, BEFSR41 and BEFSRU31 with the firmware 1.42.7…

Priority MEDIUM 48Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Complete · Complete · Complete
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

Linksys EtherFast Cable/DSL BEFSR11, BEFSR41 and BEFSRU31 with the firmware 1.42.7 upgrade installed opens TCP port 5678 for remote administration even when the "Block WAN" and "Remote Admin" options are disabled, which allows remote attackers to gain access.

Why it matters now

EPSS 0.02444 84th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:h:linksys:befsr11:1.42.7:*:*:*:*:*:*:*1.42.7VulnerableLinksys
cpe:2.3:h:linksys:befsr41:1.42.7:*:*:*:*:*:*:*1.42.7VulnerableLinksys
cpe:2.3:h:linksys:befsru31:1.42.7:*:*:*:*:*:*:*1.42.7VulnerableLinksys
  • cpe:2.3:h:linksys:befsr11:1.42.7:*:*:*:*:*:*:* Versions 1.42.7 Vulnerable ·Linksys
  • cpe:2.3:h:linksys:befsr41:1.42.7:*:*:*:*:*:*:* Versions 1.42.7 Vulnerable ·Linksys
  • cpe:2.3:h:linksys:befsru31:1.42.7:*:*:*:*:*:*:* Versions 1.42.7 Vulnerable ·Linksys

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2002-2159
  2. 2026-10-03 Alias added: GHSA-367w-87rf-wcf4

References

  • TI-2004-00522 DHCP on Linksys BEFSR11, BEFSR41, BEFSR81, and BEFSRU31 Cable/DSL Routers, firmware… CVSS 2.0MEDIUM 5.0
  • TI-2002-01247 Buffer overflow in the Web management interface in Linksys BEFW11S4 wireless access point… CVSS 2.0MEDIUM 5.0

Sources