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.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/babraink/cve_report/blob/main/cve_report/tenda/tendaAC18/2_wifiguest_guestssid_overflow/README.md	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:tenda:ac18_firmware:15.03.05.05:*:*:*:*:*:*:*

cpe:2.3:h:tenda:ac18:-:*:*:*:*:*:*:*

History

18 Nov 2025, 17:16

Type	Values Removed	Values Added
CWE		CWE-121

17 Nov 2025, 18:28

Type	Values Removed	Values Added
References	~~() https://github.com/babraink/cve_report/blob/main/cve_report/tenda/tendaAC18/2_wifiguest_guestssid_overflow/README.md -~~	() https://github.com/babraink/cve_report/blob/main/cve_report/tenda/tendaAC18/2_wifiguest_guestssid_overflow/README.md - Exploit, Third Party Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 8.8
CPE		cpe:2.3:o:tenda:ac18_firmware:15.03.05.05:::::::* cpe:2.3:h:tenda:ac18:-:::::::*
CWE		CWE-787
First Time		Tenda Tenda ac18 Firmware Tenda ac18

10 Nov 2025, 17:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-11-10 17:15

Updated : 2025-11-18 17:16

NVD link : CVE-2025-63835

Mitre link : CVE-2025-63835

CVE.ORG link : CVE-2025-63835

JSON object : View

Products Affected

tenda

ac18
ac18_firmware

CWE

CWE-787

Out-of-bounds Write

CWE-121

Stack-based Buffer Overflow

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