CVE-2022-46139

Name: CVE-2022-46139
Creator: NVD / NIST
Published: 2022-12-20T20:15:10.343+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.29%

Last modified Jun 17, 2026

CVE-2022-46139 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 0.29% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS Probability

0.29%

20.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-345

Affected Software

Vendor	Product	Versions
Tp-Link	Tl-Wr940n V4 Firmware	<= 3.16.9

References

Timeline

Published: Dec 20, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-46139?

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.

How severe is CVE-2022-46139?

CVE-2022-46139 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.29% probability of exploitation in the next 30 days.

How do I fix CVE-2022-46139?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-46139?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST