CVE-2021-42232

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:tp-link:archer_a7_firmware:210519:*:*:*:*:*:*:*", "matchCriteriaId": "08A88342-1230-40B9-BB58-BD866079E164", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:tp-link:archer_a7:v5:*:*:*:*:*:*:*", "matchCriteriaId": "EEF6E740-0F6B-4B3E-A9A3-8D0E19C8E2DE", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "TP-Link Archer A7 Archer versi\u00f3n A7(US)_V5_210519, est\u00e1 afectado por una vulnerabilidad de inyecci\u00f3n de comandos en /usr/bin/tddp. La vulnerabilidad es causada por el programa que toma parte del paquete de datos recibido como parte del comando. Esto causar\u00e1 que un atacante ejecute comandos arbitrarios en el router."}], "id": "CVE-2021-42232", "lastModified": "2026-07-09T01:17:04.647", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-08-23T01:15:07.663", "references": [{"source": "cve@mitre.org", "url": "https://github.com/mQaLeX/IoT/blob/main/tp-link/Archer%20A7%28US%29_V5_20519_tddp.md"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://github.com/mQaLeX/IoT/blob/main/tp-link/Archer%20A7%28US%29_V5_20519_tddp.md"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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