Unrestricted file upload in Contec Co., Ltd. CAN-2-WF
Priority MEDIUM 40CWE-434Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-434.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00631 50th percentileScored 2026-11-07
Fix Fixed CAN-2-WF (Contec Co., Ltd.): 2.20CAN-2-USB (Contec Co., Ltd.): 2.20
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Contec Co., Ltd. | CAN-2-WF | before 2.20 | 2.20 | Patch available | CNA |
| Contec Co., Ltd. | CAN-2-USB | before 2.20 | 2.20 | Patch available | CNA |
- CAN-2-WF VendorContec Co., Ltd. Affected before 2.20 Fixed in 2.20 Patch available CNA
- CAN-2-USB VendorContec Co., Ltd. Affected before 2.20 Fixed in 2.20 Patch available CNA
Remediation
- Fix · CNA CAN-2-WF (Contec Co., Ltd.) Fixed in 2.20
- Fix · CNA CAN-2-USB (Contec Co., Ltd.) Fixed in 2.20
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Contec CAN-2-USB, CAN-2-WF 2.20
3 records Highest priority Priority MEDIUM 2 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2026-57109 OS command injection in Contec Co., Ltd. CAN-2-WFPriority MEDIUM 43
- TI-2026-57110 Cross-site scripting in Contec Co., Ltd. CAN-2-WFPriority LOW 22
Timeline
- 2026-10-02 Threatist record created from CVE-2026-82793
- 2026-10-03 Alias added: GHSA-463x-vp7x-ppgq
- 2026-10-27 EPSS moved to the 50th–90th percentile
References
More Contec Co., Ltd. vulnerabilities
- TI-2022-11821 SolarView Compact ver.6.00 was discovered to contain a command injection vulnerability via conf_mail.php. KEVCVSS 3.1CRITICAL 9.8
- TI-2023-09196 There is a command injection vulnerability in SolarView Compact through 6.00, attackers… CVSS 3.1CRITICAL 9.8
- TI-2022-21852 OS command injection in Contec Co., Ltd. CONPROSYS HMI System CVSS 3.1CRITICAL 9.8
- TI-2023-14072 SolarView Compact <= 6.0 is vulnerable to Insecure Permissions. CVSS 3.1CRITICAL 9.8
- TI-2022-21787 SolarView Compact 4.0 and 5.0 is vulnerable to Unrestricted File Upload via a crafted php file. CVSS 3.1CRITICAL 9.8
- TI-2022-19462 SolarView Compact 6.00 was discovered to contain a command injection vulnerability via network_test.php CVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-82793 · CVE Program
- CVE-2026-82793 · NVD
- FIRST EPSS
- GHSA-463x-vp7x-ppgq · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences