CVE-2025-63835

High · 8.8

CVSS

8.8

EPSS

0.7%

Published

Nov 10, 2025

CISA due date

—

The record

A stack-based buffer overflow vulnerability was discovered in Tenda AC18 v15.03.05.05_multi. The vulnerability exists in the guestSsid parameter of the /goform/WifiGuestSet interface. Remote attackers can exploit this vulnerability by sending oversized data to the guestSsid parameter, leading to denial of service (device crash) or potential remote code execution.

Affected packages

Ecosystem	Package	Introduced	Fixed