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9.8
CVE-2026-82989: ViewSonic ViewBoard vCast allows remote input injection
CVE-2026-82989 · published 4 days ago
Summary
The vCast network services on ViewSonic ViewBoard can be accessed without a login, letting an outside attacker send crafted web requests that insert unwanted data. This could let the attacker interfere with the device’s operation or gain further access. Apply the vendor’s update or restrict network access to the service until it is patched.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| viewsonic | vcast | <= v3.2.715 |
Original advisory text
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
Internet-facing
3 days
Internal
60 days
- Not known to be exploited
- Can be exploited automatically
- Gives an attacker full control
Severity
9.8
Critical
Type
CWE-74Injection
CWE-147Improper Neutralization of Input Terminators
Timeline
Published6 Oct 2026
Updated7 Oct 2026
First seen6 Oct 2026
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