CVE-2025-63835 — HIGH (8.8)

Vulnerability Description

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.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Tenda	Ac18 Firmware	15.03.05.05
Tenda	Ac18	-

Related Weaknesses (CWE)

CWE-121 CWE-787

References

https://github.com/babraink/cve_report/blob/main/cve_report/tenda/tendaAC18/2_wiExploitThird Party Advisory

FAQ

What is CVE-2025-63835?

CVE-2025-63835 is a vulnerability with a CVSS score of 8.8 (HIGH). 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...

How severe is CVE-2025-63835?

CVE-2025-63835 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-63835?

Check the references section above for vendor advisories and patch information. Affected products include: Tenda Ac18 Firmware, Tenda Ac18.