Contec CAN-2-WF/CAN-2-USB up to 2.19 os command injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.2$0-$5k0.28

Summaryinfo

A vulnerability has been found in Contec CAN-2-WF and CAN-2-USB up to 2.19 and classified as very critical. This affects an unknown function. Performing a manipulation results in os command injection. This vulnerability is known as CVE-2026-82791. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as very critical, was found in Contec CAN-2-WF and CAN-2-USB up to 2.19. This affects an unknown part. The manipulation with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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.

It is possible to read the advisory at contec.com. This vulnerability is uniquely identified as CVE-2026-82791 since 08/31/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/14/2026). The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

Upgrading to version 2.20 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-77246). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 9.4
VulDB Meta Temp Score: 9.2

VulDB Base Score: 9.9
VulDB Temp Score: 9.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.8
CNA Vector (jpcert): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: CAN-2-WF/CAN-2-USB 2.20

Timelineinfo

08/31/2026 CVE reserved
09/14/2026 +14 days Advisory disclosed
09/14/2026 +0 days VulDB entry created
09/14/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: contec.com
Status: Confirmed

CVE: CVE-2026-82791 (🔒)
GCVE (CVE): GCVE-0-2026-82791
GCVE (VulDB): GCVE-100-403455
EUVD: 🔒

Entryinfo

Created: 09/14/2026 09:15
Updated: 09/14/2026 10:41
Changes: 09/14/2026 09:15 (74), 09/14/2026 10:41 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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