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CVE-2026-3973

Tenda W3 POST Parameter setAutoPing formSetAutoPing stack-based overflow

CVSS 8.7 HIGHEPSS 0.6%CWE-119CWE-121
Vexday Risk Score
21Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 8.7EPSS 0.6%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
12 Mar 2026Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
A vulnerability was determined in Tenda W3 1.0.0.3(2204). This affects the function formSetAutoPing of the file /goform/setAutoPing of the component POST Parameter Handler. This manipulation of the argument ping1/ping2 causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Affected products
Tenda · W3

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References
https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-w3-setautoping-ping1-buffer-overflowhttps://github.com/Svigo-o/Tenda_vul/tree/main/tenda-w3-setautoping-ping2-buffer-overflowhttps://vuldb.com/?ctiid.350408https://vuldb.com/?id.350408https://vuldb.com/?submit.769173https://vuldb.com/?submit.769176https://www.tenda.com.cn/