Browse / CVEs / CVE-2021-27137
CVE-2021-27137· dd-wrt / dd-wrt· CWE-121
DD-WRT Stack-Based Buffer Overflow Vulnerability
Exploited in the wild. Listed by CISA on 2026-07-21; known to be used by ransomware.
4%likelihood of exploitation, next 30 days
91%of all CVEs are less likely
Nonecheck to confirm it
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.
No ready check is stored for this CVE. Confirm it by hand from the references.
References
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