CVE-2009-2765

NONECVSS 0.09.0▲Trending — 3 sources updated this weekWeaponized

0.0

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.

CVSS v3: —
EG Score: 9.0(low)
EPSS: 99.6%
KEV: Not listed

Published

August 14, 2009

Last Modified

April 23, 2026

References (18)

cve@mitrehttp://isc.sans.org/diary.html?storyid=6853
cve@mitrehttp://metasploit.com/svn/framework3/trunk/modules/exploits/linux/http/ddwrt_cgibin_exec.rb
cve@mitrehttp://securitytracker.com/id?1022596
cve@mitrehttp://www.dd-wrt.com/
cve@mitrehttp://www.dd-wrt.com/phpBB2/viewtopic.php?t=55173
cve@mitrehttp://www.exploit-db.com/exploits/9209
cve@mitrehttp://www.osvdb.org/55990
cve@mitrehttp://www.securityfocus.com/bid/35742
cve@mitrehttp://www.theregister.co.uk/2009/07/21/critical_ddwrt_router_vuln/
af854a3a-2127-422b-91ae-364da2661108http://isc.sans.org/diary.html?storyid=6853
af854a3a-2127-422b-91ae-364da2661108http://metasploit.com/svn/framework3/trunk/modules/exploits/linux/http/ddwrt_cgibin_exec.rb
af854a3a-2127-422b-91ae-364da2661108http://securitytracker.com/id?1022596
af854a3a-2127-422b-91ae-364da2661108http://www.dd-wrt.com/
af854a3a-2127-422b-91ae-364da2661108http://www.dd-wrt.com/phpBB2/viewtopic.php?t=55173
af854a3a-2127-422b-91ae-364da2661108http://www.exploit-db.com/exploits/9209

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-20Improper Input Validation

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-04 13:09 UTCepss_batch
2026-06-04 13:09 UTCepss_batch
2026-06-02 20:10 UTCepss_batch
2026-06-02 20:10 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
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2026-05-31 22:28 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 00:13 UTCepss_batch
2026-05-31 00:13 UTCepss_batch
2026-05-30 15:47 UTCEG score recompute
2026-05-30 15:47 UTCGHSA enrichment
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-20 22:37 UTCepss_batch
2026-05-20 22:37 UTCepss_batch
2026-05-20 11:21 UTCepss_batch

Publicly available exploits

(4 references)

Working exploit code is in the public domain (1 Metasploit module) (3 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-16856✓ verified
First seen Jul 7, 2010
DD-WRT HTTPd Daemon/Service - Arbitrary Command Execution (Metasploit)
Open source ↗
Exploit-DBEDB-9209✓ verified
First seen Jul 20, 2009
DD-WRT HTTPd Daemon/Service - Remote Command Execution
Open source ↗
Exploit-DBEDB-10030✓ verified
First seen Jul 20, 2009
DD-WRT HTTP v24-SP1 - Command Injection
Open source ↗
Metasploitexploit/linux/http/ddwrt_cgibin_exec✓ verified
First seen Jul 20, 2009
DD-WRT HTTP Daemon Arbitrary Command Execution
Open source ↗

Frequently asked(4)

What is CVE-2009-2765?

CVE-2009-2765 is a none vulnerability published on August 14, 2009. 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.

When was CVE-2009-2765 disclosed?

CVE-2009-2765 was first published in the National Vulnerability Database on August 14, 2009, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2009-2765 actively exploited?

CVE-2009-2765 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2009-2765?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2009-2765, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2009-2765

📅 Published

🔄 Last Modified

🔗 References (18)

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2009-2765?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (18)

Frequently asked(4)

Related CVEs(same CWE)