CVE-2025-63835

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.

Score

CVSS 3.1 8.8 High

Status

Modified - cve@mitre.org

Published

2025-11-10

Last modified

2025-11-18

Weaknesses

CWE-121, CWE-787

Affected products

• Ac18 Firmware (Tenda)

References

• https://github.com/babraink/cve_report/blob/main/cve_report/tenda/tendaAC18/2_wifiguest_guestssid_overflow/README.md