Security readout for executives and security teams
CVE-2006-2559 affects Linksys WRT54G routers. The router may accept a UPnP request that changes port forwarding using an unvalidated InternalClient value, letting an attacker bypass intended access restrictions. This is mainly a legacy network-edge risk, but exact affected firmware and vendor fix details are not included in the provided sources. Exposure is most likely where Linksys WRT54G routers remain deployed with UPnP enabled or reachable. The provided data does not identify affected firmware versions, CPEs, or whether only WAN, LAN, or both UPnP paths are exposed. Prioritize this if WRT54G routers still protect business networks or sensitive sites. The uncertainty is the main risk driver: affected version and fix details are incomplete, and legacy routers may be unsupported. If no such devices remain, business urgency is low. Mitigation focus: Inventory Linksys WRT54G devices and record firmware versions.; Check vendor or trusted advisory guidance for firmware fixes.; Disable UPnP where it is not operationally required..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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CVE-2006-2559 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- linksys-upnp-security-bypass(26707)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
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