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Description

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 attack can only be performed from the local network. The exploit has been made public and could be used.

PUBLISHED Reserved 2026-03-11 | Published 2026-03-12 | Updated 2026-03-12 | Assigner VulDB




HIGH: 8.7CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
HIGH: 8.8CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
HIGH: 8.8CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
8.3AV:A/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR

Problem types

Stack-based Buffer Overflow

Memory Corruption

Product status

1.0.0.3(2204)
affected

Timeline

2026-03-11:Advisory disclosed
2026-03-11:VulDB entry created
2026-03-11:VulDB entry last update

Credits

Svigo_o (VulDB User) reporter

References

vuldb.com/?id.350407 (VDB-350407 | Tenda W3 HTTP setcfm formSetCfm stack-based overflow) vdb-entry technical-description

vuldb.com/?ctiid.350407 (VDB-350407 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.769172 (Submit #769172 | Tenda W3 V1.0.0.3(2204) Buffer Overflow) third-party-advisory

github.com/...main/tenda-w3-setcfm-funcpara1-buffer-overflow exploit

www.tenda.com.cn/ product

cve.org (CVE-2026-3972)

nvd.nist.gov (CVE-2026-3972)

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