CVE-2026-3975 Details
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.
A stack-based buffer overflow vulnerability has been identified in the Tenda W3 router, specifically in version 1.0.0.3(2204). The issue arises within the 'formWifiMacFilterGet' function, located in the '/goform/WifiMacFilterGet' file. The vulnerability is triggered by manipulating the 'wl_radio' POST parameter, which is processed without proper size validation, leading to stack corruption. This flaw can be exploited remotely, and a public exploit is available.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Mar 12, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-w3-formWifiMacFilterGet-index-buffer-overflow | [email protected] | ExploitThird Party Advisory |
| https://vuldb.com/?ctiid.350410 | [email protected] | Permissions RequiredVDB Entry |
| https://vuldb.com/?id.350410 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/?submit.769178 | [email protected] | Third Party AdvisoryVDB Entry |
| https://www.tenda.com.cn/ | [email protected] | Product |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-787 | Out-of-bounds Write | [email protected] |
| CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | [email protected] |
| CWE-121 | Stack-based Buffer Overflow | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| tenda w3 firmware | 1.0.0.3(2204) |
CPE
Remediation
| |
| tenda w3 | All versions |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 2, 2026 | Initial Analysis | [email protected] |
| Mar 12, 2026 | New CVE Received | [email protected] |