--- title: "CVE-2026-82989: ViewSonic ViewBoard - Input Injection" description: "ViewSonic ViewBoard contains an input injection caused by improper input validation in exposed network service endpoints, letting remote unauthenticated attackers inject arbitrary input via HTTP requests." url: https://panop.io/threat-heartbeat/CVE-2026-82989/ --- # CVE-2026-82989 ViewSonic ViewBoard - Input Injection ViewSonic ViewBoard contains an input injection caused by improper input validation in exposed network service endpoints, letting remote unauthenticated attackers inject arbitrary input via HTTP requests. CVSS base score 9.8 /10 Critical CISA KEV Not listed Public exploit None known Authentication Not required EPSS 0.67% chance of exploitation in 30 days [View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-82989) ## Details Type Input Injection CVSS vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Published 6 October 2026 Updated 15 October 2026 Weakness [CWE-74](https://cwe.mitre.org/data/definitions/74.html) ## Vendor fix Update to the latest version or apply vendor patches addressing input validation in network services. Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them. ## References - [https://nvd.nist.gov/vuln/detail/CVE-2026-82989](https://nvd.nist.gov/vuln/detail/CVE-2026-82989) - [https://kb.cert.org/vuls/id/234131](https://kb.cert.org/vuls/id/234131) - [https://blog.l3afs.space/posts/Vcast-Viewsonic-RCE-chain/](https://blog.l3afs.space/posts/Vcast-Viewsonic-RCE-chain/) [← All CVEs](https://panop.io/threat-heartbeat/) ## What this record can't tell you - Whether you run the affected software, and where - Whether an attacker can actually reach and exploit it - The misconfigurations that never get a CVE number - What it would cost the business, ranked into what to fix first Panop answers these inside your environment, for this CVE and every other finding. [Book a demo](https://panop.io/demo)