High severity8.8NVD Advisory· Published Nov 10, 2025· Updated Jun 17, 2026
CVE-2025-63835
CVE-2025-63835
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.
Affected products
3- cpe:2.3:o:tenda:ac18_firmware:15.03.05.05:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
1- github.com/babraink/cve_report/blob/main/cve_report/tenda/tendaAC18/2_wifiguest_guestssid_overflow/README.mdnvdExploitThird Party Advisory
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