CVE-2026-3975
8.8 · HIGHOverview
CVE-2026-3975 is a high-severity vulnerability affecting tenda w3_firmware. It was published on March 12, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from tenda. Update w3_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
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Frequently Asked Questions
What is CVE-2026-3975?
CVE-2026-3975 is a high-severity vulnerability affecting tenda w3_firmware. It was published on March 12, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).
How severe is CVE-2026-3975?
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2026-3975?
Check the references section for vendor advisories and patches from tenda. Update w3_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-3975?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-3975 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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