High severity · published Sep 14, 2026
CVE-2026-82793
Unrestricted upload of file with dangerous type issue exists in Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit
7.2
CVSS
0.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 50% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CA
CAN-2-USB · Contec Co., Ltd.
before 2.20 · source: vendor
CA
CAN-2-WF · Contec Co., Ltd.
before 2.20 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-82793
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-82793
jvn.jp
https://jvn.jp/en/vu/JVNVU90314828/
www.contec.com
https://www.contec.com/api/downloadlogger?download=/-/media/Contec/support/security-info/2026/contec_security_ph_26091000_en.pdf
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CVE-2026-82792
Cross-site scripting vulnerability exists in Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit