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Vulnerability record · CVE-2009-2766 · published 14 August 2009

CVE-2009-2766: Dd-wrt permissions and access controls vulnerability

Dd Wrt · Dd Wrt

httpd.c in httpd in the management GUI in DD-WRT 24 sp1 does not require administrative authentication for programs under cgi-bin/, which allows remote attackers to change settings via HTTP requests.

7.5 CVSS 2.0 High EPSS 5.1% · top 7.9% CWE-264 · Permissions and access controls
7.5CVSS 2.0 base score
5.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

httpd.c in httpd in the management GUI in DD-WRT 24 sp1 does not require administrative authentication for programs under cgi-bin/, which allows remote attackers to change settings via HTTP requests.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.dd-wrt.com/phpBB2/viewtopic.php?t=55173 Exploit
http://www.exploit-db.com/exploits/9209
http://www.dd-wrt.com/phpBB2/viewtopic.php?t=55173 Exploit
http://www.exploit-db.com/exploits/9209

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2009-2766), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.