CVE-2026-82989

CVSS 9.8 (critical) · published 2026-10-06

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

Weakness: CWE-74, CWE-147

Source: NVD CVE-2026-82989

References

• https://blog.l3afs.space/posts/Vcast-Viewsonic-RCE-chain/
• https://kb.cert.org/vuls/id/234131

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