CVE-2026-82988CWE-287CWE-434CWE-502unrestricted-file-uploadinsecure-deserialization

CVE-2026-82988

High · published October 6, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
39.3
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00465 · 39.3th percentile
Weaknesses
CWE-287 · Improper Authentication; CWE-434 · Unrestricted Upload of File with Dangerous Type; CWE-502 · Deserialization of Untrusted Data
Published
2026-10-06T04:16Z
References (2)
https://blog.l3afs.space/posts/Vcast-Viewsonic-RCE-chain/ · [email protected]https://kb.cert.org/vuls/id/234131 · [email protected]
EPSS history
Timeline
  • 07 OCT 03:43Z
    EPSS moved — → 0%
    epss
  • 05 OCT 23:14Z
    CVE-2026-82988
    cvelistv5