CVE-2009-1561
Cross-site request forgery (CSRF) vulnerability in administration.cgi on the Cisco Linksys WRT54GC router with firmware 1.05.7 allows…
- 6.8MediumCVSS base score
- 3.4%Exploitation in 30 daysEPSS · top 11% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
Description
Cross-site request forgery (CSRF) vulnerability in administration.cgi on the Cisco Linksys WRT54GC router with firmware 1.05.7 allows remote attackers to hijack the intranet connectivity of arbitrary users for requests that change the administrator password via the sysPasswd and sysConfirmPasswd parameters.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it.
Show the exploits1
Exploit-DB1 entry
- Linksys WRT54GC 1.5.7 Firmware - 'administration.cgi' Access Validation (Exploit-DB entry) (opens in a new tab)
EDB-ID 32931remote, hardwarepublished 20 Apr 2009Verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
Published
- 15 years later
· 15 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 3.4% · top 11% of all CVEs (10 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.8.
Affected products
n/a
- affected n/a
References
6
- 20090418 Linksys WRT54GC - Admin Password Change (POC) (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- http://packetstormsecurity.org/0904-exploits/linksysadmin-passwd.txt (opens in a new tab)x_refsource_MISCx_transferred
- ADV-2009-1172 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- http://www.falandodeseguranca.com/?p=17 (opens in a new tab)x_refsource_MISCx_transferred
- 34616 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 34805 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_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)
- EUVD EUVD-2009-1557 (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://cveledger.app/cve/CVE-2009-1561)Record last updated .