TI-2026-68030 Aliases CVE-2026-82988 GHSA-g3x9-2gpf-9qg7

Arbitrary file download in ViewSonic vCast APK delivery

LOW 39CWE-287Published 2026-10-05 · Updated 2026-10-06

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Security bypass, Code execution
Confidentiality · integrity · availability: High · None · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-287 and CWE-434.

Summary

ViewSonic vCast from v0.0.0 through v3.2.715 has an arbitrary file download flaw in its APK delivery mechanism. The download endpoint lacks authentication (CWE-287). A remote, unauthenticated attacker can trigger installation of an unprivileged APK by serving a malicious APK URL through that endpoint.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00465 40th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Viewsonic	vCast	v0.0.0 – v3.2.715	—	No fix listed	CNA

vCast VendorViewsonic Affected v0.0.0 – v3.2.715 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for vCast.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

2026-10-06 Threatist record created from CVE-2026-82988
2026-10-06 Alias added: GHSA-g3x9-2gpf-9qg7
2026-10-06 CVSS score added · CISA ADP
2026-10-06 Weakness changed · CISA ADP
2026-10-06 CISA SSVC decision points changed

References

Other 2

TI-2026-68031 Input injection in ViewSonic ViewBoard vCast network services CVSS 3.1CRITICAL 9.8
TI-2026-78990 x CVSS 3.1HIGH 7.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences