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CVE-2025-71284

9.8 · CRITICAL
Published Apr 30, 2026 synway CWE-78

Overview

CVE-2025-71284 is a critical-severity vulnerability affecting synway smg_gateway_management_software. It was published on April 30, 2026 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical Description

Synway SMG Gateway Management Software contains an OS command injection vulnerability in the RADIUS configuration endpoint at /en/9-2radius.php where the radius_address POST parameter is split and interpolated directly into a sed command without sanitization. An unauthenticated remote attacker can inject arbitrary shell commands by submitting a POST request with crafted radius_address, radius_address2, shared_secret2, source_ip, timeout, or retry parameters along with save=1 and enable_radius=1 to achieve remote code execution. Exploitation evidence was first observed by the Shadowserver Foundation on 2025-07-11 (UTC).

Remediation

Check the references section for vendor advisories and patches from synway. Update smg_gateway_management_software to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status

References

GitHub github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/synway/synwaysmg-radius-rce.yaml Ref mp.weixin.qq.com/s/PyepoFSuQ63E3RnpQa9nsA Ref mrxn.net/jswz/synway-9-2radius-rce.html Ref www.synway.net/ Ref www.vulncheck.com/advisories/synway-smg-gateway-management-software-os-command-injection-via-radius-address

Frequently Asked Questions

What is CVE-2025-71284?

CVE-2025-71284 is a critical-severity vulnerability affecting synway smg_gateway_management_software. It was published on April 30, 2026 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2025-71284?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2025-71284?

Check the references section for vendor advisories and patches from synway. Update smg_gateway_management_software to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-71284?

CyberStrike's AI-powered security agents can automatically detect CVE-2025-71284 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

How CyberStrike Helps

Autonomous Discovery

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Code Review

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HackBrowser

Browser-based exploitation validates findings with real proof-of-concept.
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