CVE-2026-105778

Tenda AC5 Wifi setWifi stack-based overflow

State: Published
Severity: 9.4 Critical
Published: Oct 6, 2026
Updated: Oct 6, 2026
Reserved: Oct 5, 2026

Description

A vulnerability has been found in Tenda AC5 02.03.01.111_multi. Affected by this issue is some unknown functionality of the file /goform/setWifi of the component Wifi Handler. Such manipulation of the argument wifiPwd leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Scores

CVSS	Score	Vector	Source
4.0	9.4 Critical	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P	VulDB
3.1	9.9 Critical	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R	VulDB
3.0	9.9 Critical	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R	VulDB
2.0	9.0 High	AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR	VulDB

Weaknesses

CWE-121 Stack-based Buffer Overflow
CWE-119 Memory Corruption

Affected Products

Product	Versions
AC5Tenda	02.03.01.111_multiAffected

References

VDB-413811 | Tenda AC5 Wifi setWifi stack-based overflowvdb-entrytechnical-description
VDB-413811 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
CVE-2026-105778 | CVE Analysis and Reportthird-party-advisory
Submit #992587 | Tenda AC5 V02.03.01.111_multi Buffer Overflowthird-party-advisory
https://github.com/raisecnull/Tenda-AC5v3-BOF/blob/main/blog.mdexploit
https://www.tenda.com.cn/product

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