{"id":"CVE-2026-118238","state":"PUBLISHED","title":"CVE-2026-118238","description":"The Tenda W18E web management server is vulnerable to OS command injection via the \"diagnose\" packet-capture feature due to improper validation of JSON fields. An authenticated user can inject shell metacharacters into the protocol or targetDevice fields, which are later concatenated into a tcpdump command and executed with root privileges. This vulnerability can be exploited without authentication if the device is in a factory-reset state.","publishedAt":"2026-10-30T15:08:41.752Z","updatedAt":"2026-10-30T17:07:06.917Z","severity":{"score":7.2,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"certcc","products":["Tenda W18E"],"affected":[{"vendor":"Tenda","product":"W18E","versions":[{"version":"V16.01.0.20","status":"affected"}]}],"references":["https://cushz.github.io/en/exploit-development/2026/10/27/hacking-routers-for-fun-and-not-profit.html"],"weaknesses":["CWE-78"],"ingestedAt":"2026-10-30T17:18:06.571Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/118xxx/CVE-2026-118238.json","commit":"caca5991c38b96213066f41f1d69f02d92b92db0","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-118238","state":"PUBLISHED","datePublished":"2026-10-30T15:08:41.752Z","dateUpdated":"2026-10-30T17:07:06.917Z","assignerShortName":"certcc","assignerOrgId":"37e5125f-f79b-445b-8fad-9564f167944b","dateReserved":"2026-10-27T19:49:03.088Z"},"containers":{"cna":{"title":"CVE-2026-118238","descriptions":[{"lang":"en","value":"The Tenda W18E web management server is vulnerable to OS command injection via the \"diagnose\" packet-capture feature due to improper validation of JSON fields. An authenticated user can inject shell metacharacters into the protocol or targetDevice fields, which are later concatenated into a tcpdump command and executed with root privileges. This vulnerability can be exploited without authentication if the device is in a factory-reset state."}],"affected":[{"vendor":"Tenda","product":"W18E","versions":[{"version":"V16.01.0.20","status":"affected"}]}],"references":[{"url":"https://cushz.github.io/en/exploit-development/2026/10/27/hacking-routers-for-fun-and-not-profit.html"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')"}]}],"providerMetadata":{"shortName":"certcc","orgId":"37e5125f-f79b-445b-8fad-9564f167944b","dateUpdated":"2026-10-30T15:08:41.752Z"},"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"VINCE 3.0.52","env":"prod","origin":"https://cveawg.mitre.org/api/cve/CVE-2026-118238"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.2,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"HIGH","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-10-30T17:07:03.133377Z","id":"CVE-2026-118238","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-78","type":"CWE","lang":"en","description":"CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-30T17:07:06.917Z"}}]}}}