CVE-2009-2766

Exp

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.

Published: 2009-08-14 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2009-2766 is rated High Exploit Risk (71.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.41%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2009-2766

EDB-ID Source Kind Published Link
9209 exploit_db edb 2009-07-20 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2009-2766

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-30 2.04% 1.41% -0.63%
2 2025-03-29 1.41% 2.04% +0.63%
3 2025-03-19 1.41%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-2766

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 6.4 [email protected]

Weakness enumeration for CVE-2009-2766

Affected software / configurations for CVE-2009-2766

Vendor Product Version Raw CPE
dd-wrt dd-wrt 24 cpe:2.3:a:dd-wrt:dd-wrt:24:sp1:*:*:*:*:*:*

References for CVE-2009-2766

cvelogic Threat Intelligence