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8.6

Advantech ADAM-3600 allows fake firmware upload

CVE-2026-43835 · published 15 days ago
Summary

The ADAM-3600 device can be tricked by a signed‑in user into accepting a counterfeit firmware file during an upgrade. If this happens, the attacker could take full control of the device and keep it compromised. Limit firmware updates to trusted personnel and verify upgrade files before installing them.

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
VendorProductAffected versions
advantech adam-3600 prior to version 2.8.5.0
Original advisory text
A vulnerability in the firmware upgrade functionality could allow an authenticated attacker to upload a forged firmware upgrade file, potentially compromising the device permanently.
A vulnerability in the firmware upgrade functionality could allow an authenticated attacker to upload a forged firmware upgrade file, potentially compromising the device permanently.
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker full control
Severity
8.6 High
Exploitation
<1% chance of attack within 30 days
Type
CWE-345Insufficient Verification of Data Authenticity
Timeline
Published20 Oct 2026
Updated30 Oct 2026
First seen20 Oct 2026
Sources
CVE-2026-43835 · NVD
CVE-2026-43835 · MITRE
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