CVE-2021-27137 | DD-WRT 24/24 SP2/45723 UPnP router/upnp/src/ssdp.c strcpy buffer overflow (EUVD-2021-34854)

July 16, 2026 Yanac

A vulnerability has been found in DD-WRT 24/24 SP2/45723 and classified as very critical. Affected by this vulnerability is the function strcpy of the file router/upnp/src/ssdp.c of the component UPnP Handler. Performing a manipulation results in buffer overflow.

This vulnerability is cataloged as CVE-2021-27137. It is possible to initiate the attack remotely. There is no exploit available.VulDB Recent EntriesRead More