Which products and versions are affected by CVE-2009-2765?

Affected: Dd-Wrt. The full list is in the CVE brief.

Is CVE-2009-2765 being exploited in the wild?

It is exploited in the wild, listed in Industry KEV feed since Jun 13, 2019.

Is CVE-2009-2765 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2009-2765?

Public exploit code is available.

Is there a fix for CVE-2009-2765?

Fixed versions are available, including Dd-Wrt 24.

How urgently should CVE-2009-2765 be patched?

Brandefense priority: patch immediately, because it is listed as exploited in the wild.

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Vulnerability Intelligence

CVE-2009-2765

HighExploitedPublic exploit

httpd.c in httpd in the management GUI in DD-WRT 24 sp1, and other versions before build 12533, allows remote attackers to execute arbitrary commands via shell metacharacters in a request to a cgi-bin/ URI.

Published Aug 14, 2009 · Updated Apr 22, 2026

Key Facts

Patch immediately

CVE-2009-2765 is a high-severity vulnerability (CVSS 8.3 v2) affecting Dd-Wrt.
It is exploited in the wild, listed in Industry KEV feed since Jun 13, 2019. Public exploit code is available.
EPSS estimates a 83% probability of exploitation in the next 30 days.
Fixed versions are available, including Dd-Wrt 24.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v2

8.3

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

EPSS (30-day exploit likelihood)

83%

Higher than 99.6% of all scored CVEs

Exploited in the wild

Yes

1 catalog listing

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2009-2765 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Known-Exploited Catalog Listings

Catalog	Added	Remediation due	Ransomware use
Industry KEV feed	Jun 13, 2019	n/a	Not reported

Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Affected Products

1 affected entries in total

Product	Affected versions	Fixed in
Dd-WrtDd-Wrt	See advisory	24

Patched Releases

Dd-Wrt

Timeline

Publicly disclosed
Aug 14, 2009
Added to Industry KEV feed
Jun 13, 2019
Last updated
Apr 22, 2026

Weakness Type

CWE-20 Improper Input Validation

References

11 more references in the full CVE brief

FAQ

Common Questions.

httpd.c in httpd in the management GUI in DD-WRT 24 sp1, and other versions before build 12533, allows remote attackers to execute arbitrary commands via shell metacharacters in a request to a cgi-bin/ URI.
Affected: Dd-Wrt. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Jun 13, 2019.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Dd-Wrt 24.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

Is CVE-2009-2765 Running On Your Attack Surface?

Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.