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CVE-2021-42232

CRITICALCVSS 9.8/10EPSS 3.17%

Last modified

CVE-2021-42232 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 3.17% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
9.8/10

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

EPSS Probability
3.17%

86.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Tp-LinkArcher A7 Firmware210519

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-42232?
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.
How severe is CVE-2021-42232?
CVE-2021-42232 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.17% probability of exploitation in the next 30 days.
How do I fix CVE-2021-42232?
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-2021-42232?

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

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Source: NVD / NIST