← Vulnerability feed

Vulnerability record · CVE-2022-27631 · published 5 August 2022

CVE-2022-27631: Dd-wrt out-of-bounds write vulnerability

Dd Wrt · Dd Wrt

A memory corruption vulnerability exists in the httpd unescape functionality of DD-WRT Revision 32270 - Revision 48599. A specially-crafted HTTP request can lead to memory corruption. An attacker can send a network request to trigger this vulnerability.

9.8 CVSS 3.1 Critical EPSS 1.1% · top 35.0% CWE-787 · Out-of-bounds write
9.8CVSS 3.1 base score
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

A memory corruption vulnerability exists in the httpd unescape functionality of DD-WRT Revision 32270 - Revision 48599. A specially-crafted HTTP request can lead to memory corruption. An attacker can send a network request to trigger this vulnerability.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

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

References

LinkTags
https://talosintelligence.com/vulnerability_reports/TALOS-2022-1510 ExploitThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2022-1510 ExploitThird Party Advisory

Track CVE-2022-27631 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

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

8.1CVE-2021-27137DD-WRT UPnP M-SEARCH stack buffer overflowDD-WRT before 45724 contains an unsafe strcpy in the UPnP SSDP handling code (ssdp_msearch), reachable via an M-SEARCH request, that overflows a fixe…KEVEPSS 4.0%analysed8.8CVE-2020-13976Dd-wrt os command injection vulnerabilityAn issue was discovered in DD-WRT through 16214. The Diagnostic page allows remote attackers to execute arbitrary commands via shell metacharacters i…EPSS 1.8%8.8CVE-2012-6297Dd-wrt cross-site request forgery vulnerabilityCommand Injection vulnerability exists via a CSRF in DD-WRT 24-sp2 from specially crafted configuration values containing shell meta-characters, whic…EPSS 1.7%8.3CVE-2009-2765DD-WRT management GUI httpd command injection via cgi-bin URIThe httpd.c component of the DD-WRT management GUI fails to validate input in requests to cgi-bin/ URIs, allowing shell metacharacters to be passed i…EPSS 83%analysed7.5CVE-2009-2766Dd-wrt permissions and access controls vulnerabilityhttpd.c in httpd in the management GUI in DD-WRT 24 sp1 does not require administrative authentication for programs under cgi-bin/, which allows remo…EPSS 5.1%6.8CVE-2008-6974Dd-wrt cross-site request forgery vulnerabilityMultiple cross-site request forgery (CSRF) vulnerabilities in apply.cgi in DD-WRT 24 sp1 and earlier allow remote attackers to hijack the authenticat…EPSS 1.5%6.8CVE-2008-6975Dd-wrt cross-site request forgery vulnerabilityMultiple cross-site request forgery (CSRF) vulnerabilities in apply.cgi in DD-WRT 24 sp2 allow remote attackers to hijack the authentication of admin…EPSS 1.3%8.8CVE-2026-53266Linux kernel ebtables SNAT out-of-bounds write in ARP rewriteThe ebtables SNAT target rewrites the ARP sender hardware address via skb_store_bits() without first making that range writable. When the ARP SHA byt…KEVEPSS 0.65%analysed

Source: NIST National Vulnerability Database (record CVE-2022-27631), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.