Threat database

CVE-2026-82987 is a vulnerability in the ViewSonic vCast media streaming service used in ViewSonic ViewBoard devices. It involves missing authentication on critical screen capture endpoints (/snapshot or /screen), allowing remote unauthenticated attackers to capture and exfiltrate the current screen content as JPEG images. This affects versions from 0.0.0 up to and including 3.2.715. No CVSS score is provided, and no known exploits are reported in the wild. No patch or official remediation details are currently available from the vendor advisory.

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