CVE-2009-1561

Cross-site request forgery (CSRF) vulnerability in administration.cgi on the Cisco Linksys...

6.8 MediumPublic exploit

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.

Exploit likelihood

3.36%Down 3.4 points since Feb 4, 2022

What each source reports

NVD Score used 6.8

Record: CVE-2009-1561
CVSS 2.0: 6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness: CWE-352
Updated: 2026-11-02

CVE List No score

Record: CVE-2009-1561
Updated: 2026-11-02

EUVDEUVD-2009-1557 No score

Record: EUVD-2009-1557
Updated: 2026-11-03

GitHub AdvisoriesGHSA-fwr7-55rh-9m99 No score

Cross-site request forgery (CSRF) vulnerability in administration.cgi on the Cisco Linksys...

Record: GHSA-fwr7-55rh-9m99
Weakness: CWE-352
Updated: 2026-11-02

Affected products

cisco wrt54gc

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	Linksys WRT54GC 1.5.7 Firmware - 'administration.cgi' Access Validation	2009-04-20

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, Exploit-DB, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2009-1561 is a medium vulnerability (CVSS 6.8) in Cisco Wrt54gc, published May 6, 2009. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 3.36%, the 88th percentile. No source names a fixed version.