CVE-2021-42232

9.8 criticalEPSS 4.2%

Critical (9.8) in tp-link archer a7 firmware. EPSS 4.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical

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

EPSS: 4.2% chance of exploitation in the next 30 days; higher than 90% of CVEs (scores of 2026-10-31)
CWE: CWE-78
Published: 2022-08-23
Modified: 2026-07-09
Record from: the NVD, synced 2026-10-19

Affected

tp-link:archer_a7_firmware

References

https://github.com/mQaLeX/IoT/blob/main/tp-link/Archer%20A7%28US%29_V5_20519_tddp.md
https://github.com/mQaLeX/IoT/blob/main/tp-link/Archer%20A7%28US%29_V5_20519_tddp.md

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