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.

CVSS v3.1

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

CVSS v3.0

5.3 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

EPSS

1.13% chance of exploitation in the next 30 days, 64th percentile

Published

2022-08-05

Updated

2025-04-15

Proof-of-concept exploits (1)

• https://talosintelligence.com/vulnerability_reports/TALOS-2022-1510

References

• CVE Record
• NVD entry

Related

• CVE-2022-27630
• CVE-2022-27633
• CVE-2022-2763
• CVE-2022-2765
• CVE-2022-2762
• CVE-2022-27660