CVE-2021-27137 CRITICAL

DD-WRT DD-WRT Vulnerability
Generated: 10 Oct 2026 19:30 • CVE Threat Intelligence

Description

DD-WRT contains a stack-based buffer overflow vulnerability that could allow an unauthenticated attacker to overflow an internal buffer used by UPnP and trigger a code execution vulnerability.

9.8
CVSS CRITICAL

Details

Published
21 Jul 2026 00:00
Modified
N/A
Source
CIRCL
Vendor
DD-WRT
Product
DD-WRT
Fix Version
Vendor Patch / Mitigation Available

References