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CVE-2026-3973

8.8 · HIGH

A vulnerability was determined in Tenda W3 1.0.0.3(2204).

Published Mar 12, 2026CWE-119EPSS 1.05%

Overview

CVE-2026-3973 is a high-severity vulnerability. 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 vulnerability was determined in Tenda W3 1.0.0.3(2204). This affects the function formSetAutoPing of the file /goform/setAutoPing of the component POST Parameter Handler. This manipulation of the argument ping1/ping2 causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. 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.

References

GitHubgithub.com/Svigo-o/Tenda_vul/tree/main/tenda-w3-setautoping-ping1-buffer-overflowGitHubgithub.com/Svigo-o/Tenda_vul/tree/main/tenda-w3-setautoping-ping2-buffer-overflowRefvuldb.com/?ctiid.350408Refvuldb.com/?id.350408Refvuldb.com/?submit.769173Refvuldb.com/?submit.769176Refwww.tenda.com.cn/

How CyberStrike helps

Frequently asked questions

What is CVE-2026-3973?

CVE-2026-3973 is a high-severity vulnerability. It was published on March 12, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-3973?

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-2026-3973?

Check the references section for vendor advisories, patches, and mitigation guidance. 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-2026-3973?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-3973 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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