{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-82989", "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b", "state": "PUBLISHED", "assignerShortName": "certcc", "dateReserved": "2026-08-31T15:22:36.481Z", "datePublished": "2026-10-05T23:14:14.325Z", "dateUpdated": "2026-10-06T14:08:03.179Z"}, "containers": {"cna": {"title": "CVE-2026-82989", "descriptions": [{"lang": "en", "value": "There is an input injection in vCast exposed network services in ViewSonic ViewBoard that allows a remote, unauthenticated attacker to inject arbitrary input into service endpoints via network-based HTTP requests to unauthenticated endpoints"}], "source": {"discovery": "UNKNOWN"}, "affected": [{"vendor": "Viewsonic", "product": "vCast", "versions": [{"status": "affected", "version": "v0.0.0", "lessThanOrEqual": "v3.2.715", "versionType": "custom"}]}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-147 Improper Neutralization of Input During Web Page Generation (\u201cInput Injection\u201d)"}]}, {"descriptions": [{"lang": "en", "description": "CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')"}]}], "references": [{"url": "https://blog.l3afs.space/posts/Vcast-Viewsonic-RCE-chain/"}, {"url": "https://kb.cert.org/vuls/id/234131"}], "x_generator": {"engine": "VINCE 3.0.49", "env": "prod", "origin": "https://cveawg.mitre.org/api/cve/CVE-2026-82989"}, "providerMetadata": {"orgId": "37e5125f-f79b-445b-8fad-9564f167944b", "shortName": "certcc", "dateUpdated": "2026-10-05T23:14:14.325Z"}}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-147", "lang": "en", "description": "CWE-147 Improper Neutralization of Input Terminators"}, {"type": "CWE", "cweId": "CWE-74", "lang": "en", "description": "CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-10-06T14:06:46.321838Z", "id": "CVE-2026-82989", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-06T14:08:03.179Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"cna": {"title": "CVE-2026-82989", "source": {"discovery": "UNKNOWN"}, "affected": [{"vendor": "Viewsonic", "product": "vCast", "versions": [{"status": "affected", "version": "v0.0.0", "versionType": "custom", "lessThanOrEqual": "v3.2.715"}]}], "references": [{"url": "https://blog.l3afs.space/posts/Vcast-Viewsonic-RCE-chain/"}, {"url": "https://kb.cert.org/vuls/id/234131"}], "x_generator": {"env": "prod", "engine": "VINCE 3.0.49", "origin": "https://cveawg.mitre.org/api/cve/CVE-2026-82989"}, "descriptions": [{"lang": "en", "value": "There is an input injection in vCast exposed network services in ViewSonic ViewBoard that allows a remote, unauthenticated attacker to inject arbitrary input into service endpoints via network-based HTTP requests to unauthenticated endpoints"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-147 Improper Neutralization of Input During Web Page Generation (\u201cInput Injection\u201d)"}]}, {"descriptions": [{"lang": "en", "description": "CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')"}]}], "providerMetadata": {"orgId": "37e5125f-f79b-445b-8fad-9564f167944b", "shortName": "certcc", "dateUpdated": "2026-10-05T23:14:14.325Z"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2026-82989", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-06T14:06:46.321838Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-147", "description": "CWE-147 Improper Neutralization of Input Terminators"}, {"lang": "en", "type": "CWE", "cweId": "CWE-74", "description": "CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')"}]}], "providerMetadata": {"shortName": "CISA-ADP", "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "dateUpdated": "2026-10-06T14:07:56.456Z"}}]}, "cveMetadata": {"cveId": "CVE-2026-82989", "state": "PUBLISHED", "dateUpdated": "2026-10-05T23:14:14.325Z", "dateReserved": "2026-08-31T15:22:36.481Z", "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b", "datePublished": "2026-10-05T23:14:14.325Z", "assignerShortName": "certcc"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "vCast", "vendor": "Viewsonic", "versions": [{"lessThanOrEqual": "v3.2.715", "status": "affected", "version": "v0.0.0", "versionType": "custom"}]}], "source": "cret@cert.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "There is an input injection in vCast exposed network services in ViewSonic ViewBoard that allows a remote, unauthenticated attacker to inject arbitrary input into service endpoints via network-based HTTP requests to unauthenticated endpoints"}], "id": "CVE-2026-82989", "lastModified": "2026-10-06T15:03:59.427", "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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-82989", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-06T14:06:46.321838Z", "version": "2.0.3"}}]}, "published": "2026-10-06T00:16:37.097", "references": [{"source": "cret@cert.org", "url": "https://blog.l3afs.space/posts/Vcast-Viewsonic-RCE-chain/"}, {"source": "cret@cert.org", "url": "https://kb.cert.org/vuls/id/234131"}], "sourceIdentifier": "cret@cert.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-74"}, {"lang": "en", "value": "CWE-147"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[v0.0.0,v3.2.715]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "vCast", "source": "cna", "vendor": "Viewsonic"}, "product": "vcast", "vendor": "viewsonic"}], "created": "2026-10-06T00:45:19.250434+00:00", "title": "Unauthenticated Input Injection Enabling Remote Code Execution in ViewSonic ViewBoard vCast", "updated": "2026-10-06T20:56:34.837934+00:00", "vendors": ["viewsonic", "viewsonic$PRODUCT$vcast"], "weaknesses": ["CWE-20"]}