CVE-2021-47854

Description

DD-WRT version 45723 contains a buffer overflow vulnerability in the UPNP network discovery service that allows remote attackers to potentially execute arbitrary code. Attackers can send crafted M-SEARCH packets with oversized UUID payloads to trigger buffer overflow conditions on the target device.

Affected Platforms

Weakness Type

CWE-120

References

• https://dd-wrt.com/
• https://download1.dd-wrt.com/dd-wrtv2/downloads/betas/2021/
• https://ssd-disclosure.com/ssd-advisory-dd-wrt-upnp-buffer-overflow/
• https://www.exploit-db.com/exploits/49730
• https://www.vulncheck.com/advisories/dd-wrt-upnp-buffer-overflow