CVE-2021-40546
4.9 · MEDIUMOverview
CVE-2021-40546 is a medium-severity vulnerability affecting tenda ac6_firmware. It was published on September 5, 2023 and has a CVSS 3.1 base score of 4.9 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 4.9, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
Tenda AC6 US_AC6V4.0RTL_V02.03.01.26_cn.bin allows attackers (who have the administrator password) to cause a denial of service (device crash) via a long string in the wifiPwd_5G parameter to /goform/setWifi.
Remediation
Check the references section for vendor advisories and patches from tenda. Update ac6_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
| Vendor | Product | Versions | Status |
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Frequently Asked Questions
What is CVE-2021-40546?
CVE-2021-40546 is a medium-severity vulnerability affecting tenda ac6_firmware. It was published on September 5, 2023 and has a CVSS 3.1 base score of 4.9 (MEDIUM).
How severe is CVE-2021-40546?
This vulnerability has a CVSS 3.1 base score of 4.9, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-40546?
Check the references section for vendor advisories and patches from tenda. Update ac6_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-2021-40546?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-40546 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.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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