CVE-2026-82766
Received Received - Intake

OS Command Injection in SGA1000

Publication date: 2026-09-14

Last updated on: 2026-09-14

Assigner: JPCERT/CC

Description
Improper neutralization of special elements used in an OS command ('OS Command Injection') issue exists in SGA1000. If this vulnerability is exploited, an arbitrary OS command may be executed by an attacker who can log in to the product.

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Meta Information

Published
2026-09-14
Last Modified
2026-09-14
Generated
2026-10-04
AI Q&A
2026-09-14
EPSS Evaluated
2026-10-03
NVD
CVE-2026-82766
EUVD
EUVD-2026-77219

Affected Vendors & Products

Showing 16 associated CPEs
Vendor Product Version / Range
contec fx5000 to 1.12.00 (exc)
contec fxa5000 to 1.12.00 (exc)
contec fxa5020 to 1.12.00 (exc)
contec fxe5000 to 1.12.00 (exc)
contec fxs5000 to 1.12.00 (exc)
contec fxs5021 to 1.12.00 (exc)
contec fx4000 to 1.12.00 (exc)
contec fxe4000 to 1.12.00 (exc)
contec fxs4000 to 1.12.00 (exc)
contec fx3000 to 1.14.00 (exc)
contec fxa3000 to 1.14.00 (exc)
contec fxe3000 to 1.14.00 (exc)
contec fxs3000 to 1.14.00 (exc)
contec sga1000 to 1.02 (exc)
contec rp-wah-sr_series to 1.02 (exc)
contec ec1000_series to 1.02 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
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.

Attack-Flow Graph

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Executive Summary

This is an OS Command Injection vulnerability in SGA1000. It allows an attacker who can log in to execute arbitrary OS commands on the system due to improper neutralization of special elements in user input.

Detection Guidance

This vulnerability involves OS command injection in SGA1000. Detection requires checking for unauthorized command execution attempts or unusual system activity. Monitor logs for suspicious inputs or commands, especially in web interfaces or APIs. Use network traffic analysis tools to detect anomalous command patterns. No specific commands are provided in the context.

Impact Analysis

An attacker could gain control over the affected system, execute malicious commands, steal data, disrupt operations, or escalate privileges. This could lead to unauthorized access, data breaches, or system compromise.

Compliance Impact

This vulnerability could lead to data breaches, unauthorized access, or data exfiltration, which may violate GDPR (data protection) and HIPAA (health data privacy) requirements. Non-compliance risks include fines, legal penalties, and reputational damage.

Mitigation Strategies

Immediately restrict access to the SGA1000 product to trusted users only. Apply vendor patches or updates if available. Monitor network traffic for suspicious commands or unusual activity. Disable unnecessary services or features that could be exploited.

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