CVE-2026-82793 PUBLISHED

Assigner: jpcert
Reserved: 31.08.2026 Published: 14.09.2026 Updated: 14.09.2026

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
CVSS Score: 7.2

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	High	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS Score: 8.6

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	High
User Interaction	None

CVSS 4.0

Product Status

Vendor	Contec Co., Ltd.
Product	CAN-2-WF
Versions	Default: unaffected affected from 0 to 2.20 (excl.)

Vendor	Contec Co., Ltd.
Product	CAN-2-USB
Versions	Default: unaffected affected from 0 to 2.20 (excl.)

CVE-2026-82793 PUBLISHED

Metrics

Product Status

References

Problem Types