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CVE-2006-2559
Linksys WRT54G Wireless-G Broadband Router allows remote attackers to bypass access restrictions and conduct unauthorized operations via a…
High7.5EPSS 1.7%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 1.7% · top 23% of all CVEs (5 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (6)
- linksys-upnp-security-bypass(26707) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 20161 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 1016134 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- http://www.securityview.org/how-does-the-upnp-flaw-works.html (opens in a new tab)x_refsource_MISCx_transferred
- ADV-2006-1909 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- http://www.securityview.org/dutch-student-finds-a-bug-in-upnp.html (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2006-2559)Record last updated .