CVE-2026-105778

CRITICAL 9.9

Tenda AC5 Wifi setWifi stack-based overflow

CVSS Score

9.9

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-121 CWE-119
Vendor	tenda
Product	ac5
Published	Oct 6, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Tenda / AC5

02.03.01.111_multi

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/413811 vuldb.com: https://vuldb.com/vuln/413811/cti vuldb.com: https://vuldb.com/cve/CVE-2026-105778 vuldb.com: https://vuldb.com/submit/992587 github.com: https://github.com/raisecnull/Tenda-AC5v3-BOF/blob/main/blog.md tenda.com.cn: https://www.tenda.com.cn/

Credits

🔍 raisecnull (VulDB User)