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

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.012 (65.8th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 65.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2022-27631: held from 0.011 to 0.012.

EPSS over last 30 days · oldest: 0.011 · newest: 0.012 · change: +0.000

Affected products

  • Dd-Wrt — versions Revision 32270 - Revision 48599

Weakness classification (CWE)

References

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.