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TI-2006-02490 Aliases CVE-2006-2559GHSA-jqwg-4qw8-r2cj

Linksys WRT54G Wireless-G Broadband Router allows remote attackers to bypass access…

Priority LOW 36Published · 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
Partial · Partial · Partial
Fix status
No fix listed

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

Summary

Linksys WRT54G Wireless-G Broadband Router allows remote attackers to bypass access restrictions and conduct unauthorized operations via a UPnP request with a modified InternalClient parameter, which is not validated, as demonstrated by using AddPortMapping to forward arbitrary traffic.

Why it matters now

EPSS 0.01704 77th 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 · 9

CPEVersionsRoleVendor
cpe:2.3:h:linksys:wrt54g:1.42.3:*:*:*:*:*:*:*1.42.3VulnerableLinksys
cpe:2.3:h:linksys:wrt54g:2.00.8:*:*:*:*:*:*:*2.00.8VulnerableLinksys
cpe:2.3:h:linksys:wrt54g:2.02.7:*:*:*:*:*:*:*2.02.7VulnerableLinksys
cpe:2.3:h:linksys:wrt54g:2.04.4:*:*:*:*:*:*:*2.04.4VulnerableLinksys
cpe:2.3:h:linksys:wrt54g:2.04.4_non_default:*:*:*:*:*:*:*2.04.4_non_defaultVulnerableLinksys
cpe:2.3:h:linksys:wrt54g:3.01.3:*:*:*:*:*:*:*3.01.3VulnerableLinksys
cpe:2.3:h:linksys:wrt54g:3.03.6:*:*:*:*:*:*:*3.03.6VulnerableLinksys
cpe:2.3:h:linksys:wrt54g:4.00.7:*:*:*:*:*:*:*4.00.7VulnerableLinksys
cpe:2.3:h:linksys:wrt54g_v5:*:*:*:*:*:*:*:*all versionsVulnerableLinksys
  • cpe:2.3:h:linksys:wrt54g:1.42.3:*:*:*:*:*:*:* Versions 1.42.3 Vulnerable ·Linksys
  • cpe:2.3:h:linksys:wrt54g:2.00.8:*:*:*:*:*:*:* Versions 2.00.8 Vulnerable ·Linksys
  • cpe:2.3:h:linksys:wrt54g:2.02.7:*:*:*:*:*:*:* Versions 2.02.7 Vulnerable ·Linksys
  • cpe:2.3:h:linksys:wrt54g:2.04.4:*:*:*:*:*:*:* Versions 2.04.4 Vulnerable ·Linksys
  • cpe:2.3:h:linksys:wrt54g:2.04.4_non_default:*:*:*:*:*:*:* Versions 2.04.4_non_default Vulnerable ·Linksys
  • cpe:2.3:h:linksys:wrt54g:3.01.3:*:*:*:*:*:*:* Versions 3.01.3 Vulnerable ·Linksys
  • cpe:2.3:h:linksys:wrt54g:3.03.6:*:*:*:*:*:*:* Versions 3.03.6 Vulnerable ·Linksys
  • cpe:2.3:h:linksys:wrt54g:4.00.7:*:*:*:*:*:*:* Versions 4.00.7 Vulnerable ·Linksys
  • cpe:2.3:h:linksys:wrt54g_v5:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Linksys

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2006-2559
  2. 2026-10-03 Alias added: GHSA-jqwg-4qw8-r2cj

References

Other 3

  • TI-2005-02659 Buffer overflow in apply.cgi in Linksys WRT54G 3.01.03, 3.03.6, and possibly other… CVSS 2.0HIGH 7.5
  • TI-2008-01198 The web interface on the Linksys WRT54g router with firmware 1.00.9 does not require… CVSS 2.0HIGH 10.0
  • TI-2008-01219 The FTP server on the Linksys WRT54G 7 router with 7.00.1 firmware does not verify… CVSS 2.0HIGH 10.0
  • TI-2008-01215 The Linksys WRT54G router has "admin" as its default FTP password, which allows remote… CVSS 2.0HIGH 7.5
  • TI-2004-02476 The Web interface in Linksys WRT54G 2.02.7 and BEFSR41 version 3, with the firewall… CVSS 2.0HIGH 7.5
  • TI-2008-01216 The Linksys WRT54G router allows remote attackers to cause a denial of service (device… CVSS 2.0HIGH 7.8
See all 15 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences