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Description

A weakness has been identified in Tenda W3 1.0.0.3(2204). Impacted is the function formWifiMacFilterSet of the file /goform/WifiMacFilterSet of the component POST Parameter Handler. Executing a manipulation of the argument index/GO can lead to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks.

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




HIGH: 8.7CVSS: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
HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
HIGH: 8.8CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
9.0AV:N/AC:L/Au:S/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.350411 (VDB-350411 | Tenda W3 POST Parameter WifiMacFilterSet formWifiMacFilterSet stack-based overflow) vdb-entry technical-description

vuldb.com/?ctiid.350411 (VDB-350411 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.769179 (Submit #769179 | Tenda W3 V1.0.0.3(2204) Buffer Overflow) third-party-advisory

vuldb.com/?submit.769180 (Submit #769180 | Tenda W3 V1.0.0.3(2204) Buffer Overflow (Duplicate)) third-party-advisory

github.com/...-w3-formWifiMacFilterSet-index-buffer-overflow related

github.com/...nda-w3-formWifiMacFilterSet-go-buffer-overflow exploit

www.tenda.com.cn/ product

cve.org (CVE-2026-3976)

nvd.nist.gov (CVE-2026-3976)

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