CVE-2026-3973 - Vulnerability Analysis

Overview

Tenda W3 1.0.0.3(2204) contains a stack-based buffer overflow caused by manipulation of the ping1/ping2 arguments in /goform/setAutoPing POST parameter handler, letting remote attackers cause memory corruption, exploit requires crafted request.

Severity & Score

Impact

Remote attackers can cause memory corruption leading to potential remote code execution or denial of service.

Mitigation

Update to the latest version.

References

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

Social Media Activity(1 post)

TheHackerWire

@thehackerwire

Mar 12, 2026

🟠 CVE-2026-3973 - High (8.8) 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 ov... 🔗 https://www.thehackerwire.com/vulnerability/CVE-2026-3973/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

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