CVE-2026-82793 File upload in CAN-2-USB
Remote authenticated attackers can upload malicious files to Contec CAN converter units to execute arbitrary code.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-82793?
CVE-2026-82793 is a high-severity vulnerability in Contec Co., Ltd. CAN-2-USB, published on 14 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Unrestricted upload of file with dangerous type issue exists in Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit. If a specially crafted file is uploaded by a remote authenticated attacker, arbitrary code may be executed on the product.
Weakness: CWE-434
Which versions are affected by CVE-2026-82793?
How do I fix CVE-2026-82793?
No fix has been published for CVE-2026-82793 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-82793 being exploited?
There is no known exploitation of CVE-2026-82793 in the wild and no public exploit code.
Sources
Also known as GHSA-463x-vp7x-ppgq.