CVE-2006-2559 json
Linksys WRT54G Wireless-G Broadband Router allows remote attackers to bypass access restrictions and conduct unauthorized operations via a…
published 2006-05-24 20 y ago modified 2026-06-16 4 mo ago also EUVD-2006-2559
- cvss
- 7.5
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.7%
- EPSS 1.7% chance of exploitation in 30 days, percentile 77%
- public exploits
- 0
- none known
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.
Patch / fix
- secunia.com/advisories/20161 advisory
Exploit prediction
1.70% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
References
-
secunia.com
/advisories/20161
third-party-advisory, patch, vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/26707
vdb-entry
-
securitytracker.com
/id?1016134
vdb-entry
-
securityview.org
/how-does-the-upnp-flaw-works.html
url-repurposed
-
vupen.com
/english/advisories/2006/1909
vdb-entry
-
securityview.org
/dutch-student-finds-a-bug-in-upnp.html
url-repurposed
Sources
- CVE List CVE-2006-2559
- NVD CVE-2006-2559
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.