CVE-2022-46432

HIGH

TP-Link TL-WR743ND V1 Firmware < 3.12.20 - Arbitrary Code Execution and Denial of Service via MITM Firmware Modification

Title source: llm

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.

References (2)

Core 2

Core References

Various Sources

https://hackmd.io/%40slASVrz_SrW7NQCsunofeA/B1Vgv1uwo

Vendor Advisory

https://www.tp-link.com/us/press/security-advisory/

Scores

CVSS v3 7.5

EPSS 0.0042

EPSS Percentile 62.3%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact total

Details

Status published

Products (1)

tp-link/tl-wr743nd_v1_firmware < 3.12.20

Published Dec 20, 2022

Tracked Since Feb 18, 2026