Is CVE-2021-42232 actively exploited?

No active exploitation of CVE-2021-42232 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-42232 be exploited remotely?

Yes. CVE-2021-42232 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-42232?

CVE-2021-42232 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2021-42232

CRITICAL

CVE-2021-42232

CWE-78Published: August 23, 2022· Updated: Jul 9, 2026

9.8

CVSS v3.1

Official Description

TP-Link Archer A7 Archer A7(US)_V5_210519 is affected by a command injection vulnerability in /usr/bin/tddp. The vulnerability is caused by the program taking part of the received data packet as part of the command. This will cause an attacker to execute arbitrary commands on the router.

NVD Source

Technical Analysis

CVE-2021-42232 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.