High severity · published Sep 14, 2026
CVE-2026-82791
Improper neutralization of special elements used in an OS command ('OS Command Injection') issue exists in Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit
8.8
CVSS
1.9%
EPSS
No
On KEV
Description
Improper neutralization of special elements used in an OS command ('OS Command Injection') issue exists in Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit. If this vulnerability is exploited, an arbitrary OS command may be executed by an attacker who can log in to the product.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.9% · higher than 79% 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-2026-82791
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-82791
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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