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CVE-2026-82987

CVE-2026-82987

There exists a screen capture endpoint in vCast media streaming service in ViewSonic ViewBoard unknown allows a remote, unauthenticated attacker to capture and exfiltrate the current screen content via GET requests to an unauthenticated /snapshot or /screen endpoint returning JPEGs

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Viewsonic
Products
Vcast
CVE-2026-82989

CVE-2026-82989

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

CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Vendors
Viewsonic
Products
Vcast
CVE-2026-82988

CVE-2026-82988

There exists an arbitrary file download in vCast APK delivery mechanism in ViewSonic ViewBoard unknown allows a remote, unauthenticated attacker to trigger unprivileged APK installation via serving a malicious APK URL through an unauthenticated download endpoint

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Viewsonic
Products
Vcast