What is CVE-2022-27631?

CVE-2022-27631 is a critical-severity vulnerability in Dd-Wrt, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-08-05.

How severe is CVE-2022-27631?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Dd-Wrt

CVE-2022-27631

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.

Vulnerability class: Buffer Overflow

EPSS: 0.011 (63.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Dd-wrt — versions Revision 32270 - Revision 48599

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

talos-cna@cisco.com (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-27631?: CVE-2022-27631 is a critical-severity vulnerability in Dd-Wrt, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-08-05.
How severe is CVE-2022-27631?: Critical severity. CVSS v3 base score is 9.8 out of 10.