CVE-2022-46432

Name: CVE-2022-46432
Creator: NVD / NIST
Published: 2022-12-20T20:15:10.793+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.84%

Last modified Jun 17, 2026

CVE-2022-46432 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An exploitable firmware modification vulnerability was discovered on TP-Link TL-WR743ND V1. An attacker can conduct a MITM (Man-in-the-Middle) attack to modify the user-uploaded firmware image and bypass the CRC check, allowing attackers to execute arbitrary code or cause a Denial of Service (DoS). EPSS estimates a 0.84% chance of exploitation in the next 30 days.

Description

An exploitable firmware modification vulnerability was discovered on TP-Link TL-WR743ND V1. An attacker can conduct a MITM (Man-in-the-Middle) attack to modify the user-uploaded firmware image and bypass the CRC check, allowing attackers to execute arbitrary code or cause a Denial of Service (DoS). This affects v3.12.20 and earlier.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.84%

53.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Tp-Link	Tl-Wr743nd V1 Firmware	<= 3.12.20

References

Timeline

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

Frequently Asked Questions

What is CVE-2022-46432?

How severe is CVE-2022-46432?

CVE-2022-46432 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.84% probability of exploitation in the next 30 days.

How do I fix CVE-2022-46432?

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-2022-46432?

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

Scan your code now

Source: NVD / NIST