Quick answers
- Is CVE-2026-43835 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-43835 being exploited in the wild.
- How severe is CVE-2026-43835?
- Informational severity, published 20 October 2026.
- Which products and versions are affected?
- Advantech ADAM-3600 EdgeLink unspecified.
- Is there a fix for CVE-2026-43835?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-43835 attacked?
- It is attacked over the network, in a network appliance.
- Am I affected by CVE-2026-43835?
- Check whether you run Advantech ADAM-3600 EdgeLink at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
An authentication bypass vulnerability in the firmware upgrade functionality allows an authenticated attacker to upload a malicious firmware file without proper verification. The device lacks sufficient validation of firmware file authenticity before installation. Exploitation results in permanent device compromise with full system access.
Affected products
- Advantech ADAM-3600 EdgeLink unspecified
Timeline
- 2026-10-20: disclosed