CVE-2026-3227

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In the router configuration import function allows an authenticated attacker to upload a crafted configuration file that results in execution of OS commands with root privileges during port-trigger processing. \nSuccessful exploitation allows an authenticated attacker to execute system commands with root privileges, leading to full device compromise."}, {"lang": "es", "value": "Una vulnerabilidad de inyecci\u00f3n de comandos fue identificada en TP-Link TL-WR802N v4, TL-WR841N v14 y TL-WR840N v6 debido a la neutralizaci\u00f3n inadecuada de elementos especiales utilizados en un comando del sistema operativo. La funci\u00f3n de importaci\u00f3n de configuraci\u00f3n del router permite a un atacante autenticado cargar un archivo de configuraci\u00f3n manipulado que resulta en la ejecuci\u00f3n de comandos del sistema operativo con privilegios de root durante el procesamiento de activaci\u00f3n de puertos. La explotaci\u00f3n exitosa permite a un atacante autenticado ejecutar comandos del sistema con privilegios de root, lo que lleva a un compromiso total del dispositivo."}], "lastModified": "2026-04-07T01:07:52.933", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:tp-link:tl-wr802n_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1A754B83-7C61-4467-AC85-C53B7427BA6B", "versionEndExcluding": "260304"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:tp-link:tl-wr802n:v4:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "8FA6C0FF-B3F6-41CA-A0CD-FBF40EDC413B"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:tp-link:tl-wr841n_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CC4686F9-6497-4CB6-9EC8-940AED07D6CC", "versionEndExcluding": "260303"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:tp-link:tl-wr841n:14:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "D74FA034-63F6-4F9E-BC24-364B94732E29"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:tp-link:tl-wr840n_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "482864E3-0331-455C-9696-E39E836C1CF1", "versionEndExcluding": "260304"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:tp-link:tl-wr840n:6:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "CE7A6651-E143-443C-8189-72A3BD0D76F0"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "f23511db-6c3e-4e32-a477-6aa17d310630"}