CVE-2021-27137

DD-WRT Stack-Based Buffer Overflow Vulnerability

8.1
CVSS 3.1
4.0 %
EPSS (current)
2026-07-21
KEV addition
No
Ransomware

Timeline

Publication, first public exploit and KEV addition on a day axis.

Key facts

Vendor / product: DD-WRT / DD-WRT

Published: 2026-07-16 · Due (CISA): 2026-07-24

CWE: CWE-121 · EU list: no

Exploit references (metadata only)

No public exploit references recorded.

Sources