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Vulnerability record · CVE-2026-3975 · published 12 March 2026

CVE-2026-3975: Tenda w3 firmware memory buffer overflow vulnerability

Tenda · W3 Firmware

A security flaw has been discovered in Tenda W3 1.0.0.3(2204). This issue affects the function formWifiMacFilterGet of the file /goform/WifiMacFilterGet of the component POST Parameter Handler. Performing a manipulation of the argument wl_radio results in stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks.

7.4 CVSS 4.0 High EPSS 1.0% · top 38.4% CWE-119 · Memory buffer overflowCWE-121 · Stack-based buffer overflow
7.4CVSS 4.0 base score, v2 9.0
1.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
5References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

A security flaw has been discovered in Tenda W3 1.0.0.3(2204). This issue affects the function formWifiMacFilterGet of the file /goform/WifiMacFilterGet of the component POST Parameter Handler. Performing a manipulation of the argument wl_radio results in stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks.

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-w3-formWifiMacFilterGet-index-buffer-overflow ExploitThird Party Advisory
https://vuldb.com/?ctiid.350410 Permissions RequiredVDB Entry
https://vuldb.com/?id.350410 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.769178 Third Party AdvisoryVDB Entry
https://www.tenda.com.cn/ Product

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.4CVE-2026-4007Tenda w3 firmware memory buffer overflow vulnerabilityA vulnerability was detected in Tenda W3 1.0.0.3(2204). This vulnerability affects unknown code of the file /goform/wifiSSIDget of the component POST…EPSS 1.0%7.4CVE-2026-4008Tenda w3 firmware memory buffer overflow vulnerabilityA flaw has been found in Tenda W3 1.0.0.3(2204). This issue affects some unknown processing of the file /goform/wifiSSIDset of the component POST Par…EPSS 1.0%7.4CVE-2026-3974Tenda w3 firmware memory buffer overflow vulnerabilityA vulnerability was identified in Tenda W3 1.0.0.3(2204). This vulnerability affects the function formexeCommand of the file /goform/exeCommand of th…EPSS 1.0%7.4CVE-2026-3976Tenda w3 firmware memory buffer overflow vulnerabilityA weakness has been identified in Tenda W3 1.0.0.3(2204). Impacted is the function formWifiMacFilterSet of the file /goform/WifiMacFilterSet of the c…EPSS 1.0%7.4CVE-2026-3972Tenda w3 firmware memory buffer overflow vulnerabilityA 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 HT…EPSS 0.74%7.4CVE-2026-3973Tenda w3 firmware memory buffer overflow vulnerabilityA vulnerability was determined in Tenda W3 1.0.0.3(2204). This affects the function formSetAutoPing of the file /goform/setAutoPing of the component …EPSS 1.0%9.5CVE-2026-88772Citrix netscaler application delivery controller memory buffer overflow vulnerabilityVulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before 14.1-73.37, before 13.1-64.23, before 14.1-73.37 F…KEV8.8CVE-2026-8452Citrix NetScaler ADC and Gateway memory buffer overflow causes DoSCVE-2026-8452 is a memory buffer overflow (CWE-119) in Citrix NetScaler ADC and NetScaler Gateway that leads to unpredictable or erroneous behavior a…KEVEPSS 1.0%analysed

Source: NIST National Vulnerability Database (record CVE-2026-3975), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.