Is CVE-2022-27631 actively exploited?

CVE-2022-27631 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2022-27631?

CVE-2022-27631 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2022-27631?

Patch guidance is available from dd-wrt security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2022-27631.

Fix CVE-2022-27631 - CRITICAL dd-wrt dd-wrt

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 Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-787 · Out-of-bounds Write CWE-787 · Out-of-bounds Write

Metadata

Primary Vendor: DD-WRT
Published: 8/5/2022
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

dd-wrt : dd-wrt

Remediation Guidance

Executive Summary

Cite this page

CVE-2022-27631. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2022-27631

View on NIST NVD

CVE-2022-27631 vulnerability