CVE-2026-3972 - Vulnerability Analysis

Overview

Tenda W3 1.0.0.3(2204) contains a stack-based buffer overflow caused by manipulation of the "funcpara1" argument in /goform/setcfm HTTP Handler, letting local network attackers cause memory corruption, exploit requires local network access.

Severity & Score

Impact

Local network attackers can cause memory corruption, potentially leading to denial of service or code execution.

Mitigation

Update to the latest version.

References

• https://vuldb.com/?ctiid.350407
• https://vuldb.com/?id.350407
• https://vuldb.com/?submit.769172
• https://www.tenda.com.cn/
• https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-w3-setcfm-funcpara1-buffer-overflow

Social Media Activity(1 post)

TheHackerWire

@thehackerwire

Mar 12, 2026

🟠 CVE-2026-3972 - High (8.8) A vulnerability was found in Tenda W3 1.0.0.3(2204). Affected by this issue is the function formSetCfm of the file /goform/setcfm of the component HTTP Handler. The manipulation of the argument funcpara1 results in stack-based buffer overflow. The... 🔗 https://www.thehackerwire.com/vulnerability/CVE-2026-3972/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

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