Advisory Published
Updated

CVE-2022-46139

First published: Tue Dec 20 2022(Updated: )

TP-Link TL-WR940N V4 3.16.9 and earlier allows authenticated attackers to cause a Denial of Service (DoS) via uploading a crafted firmware image during the firmware update process.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
TP-Link WR940N Firmware<=3.16.9
TP-Link TL-WR940N V4 Firmware
All of
TP-Link WR940N Firmware<=3.16.9
TP-Link TL-WR940N V4 Firmware

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Frequently Asked Questions

  • What is the severity of CVE-2022-46139?

    CVE-2022-46139 is classified as a medium severity vulnerability.

  • How do I fix CVE-2022-46139?

    To fix CVE-2022-46139, update the firmware of TP-Link TL-WR940N V4 to a version later than 3.16.9.

  • What type of attack does CVE-2022-46139 describe?

    CVE-2022-46139 describes a Denial of Service (DoS) attack through uploading a malicious firmware image.

  • Who is affected by CVE-2022-46139?

    Users of TP-Link TL-WR940N V4 with firmware version 3.16.9 or earlier are affected by CVE-2022-46139.

  • Is CVE-2022-46139 a remote exploit?

    CVE-2022-46139 requires authenticated access, making it a local exploit rather than a remote one.

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