{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-16348","assignerOrgId":"f23511db-6c3e-4e32-a477-6aa17d310630","state":"PUBLISHED","assignerShortName":"TPLink","dateReserved":"2026-07-20T21:48:41.382Z","datePublished":"2026-08-24T17:25:46.598Z","dateUpdated":"2026-08-25T03:56:53.071Z"},"containers":{"cna":{"providerMetadata":{"orgId":"f23511db-6c3e-4e32-a477-6aa17d310630","shortName":"TPLink","dateUpdated":"2026-08-24T17:25:46.598Z"},"title":"Command Injection Vulnerability in VPN connection of Archer BE800","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-78","description":"CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection')","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-248","descriptions":[{"lang":"en","value":"CAPEC-248 Command Injection"}]}],"affected":[{"vendor":"TP-Link Systems Inc.","product":"Archer BE800 v1","modules":["vpn connection"],"versions":[{"status":"affected","version":"0","lessThan":"1.4.2 Build 260708","versionType":"custom"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"An authenticated command injection vulnerability in TP-Link Archer BE800 V1 allows an attacker with administrative access to execute arbitrary system commands with root privileges by injecting shell metacharacters via a VPN connection. \n\n\n\n\nSuccessful exploitation may enable persistent backdoors, credential theft, LAN reconnaissance, and router-assisted attacks against connected devices.","supportingMedia":[{"type":"text/html","base64":false,"value":"<div><div>An authenticated command injection vulnerability in TP-Link Archer BE800 V1 allows an attacker with administrative access to execute arbitrary system commands with root privileges by injecting shell metacharacters via a VPN connection.&nbsp;</div><div><br></div><div>Successful exploitation may enable persistent backdoors, credential theft, LAN reconnaissance, and router-assisted attacks against connected devices.</div></div>"}]}],"references":[{"url":"https://www.tp-link.com/us/support/download/archer-be800/v1/#Firmware","tags":["patch"]},{"url":"https://www.tp-link.com/en/support/download/archer-be800/v1/#Firmware","tags":["patch"]},{"url":"https://www.tp-link.com/us/support/faq/5264/","tags":["vendor-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"ADJACENT","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"HIGH","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"LOW","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"LOW","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"LOW","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"HIGH","baseScore":8.5,"vectorString":"CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L"}}],"credits":[{"lang":"en","value":"Sean Lagan, UploadSecurity","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.4"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-24T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-16348"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-25T03:56:53.071Z"}}]}}