CVE-2021-3149
7.2 · HIGHOverview
CVE-2021-3149 is a high-severity vulnerability affecting netshieldcorp nano_25_firmware. It was published on February 22, 2021 and has a CVSS 3.1 base score of 7.2 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
On Netshield NANO 25 10.2.18 devices, /usr/local/webmin/System/manual_ping.cgi allows OS command injection (after authentication by the attacker) because the system C library function is used unsafely.
Remediation
Check the references section for vendor advisories and patches from netshieldcorp. Update nano_25_firmware 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 |
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References
Frequently Asked Questions
What is CVE-2021-3149?
CVE-2021-3149 is a high-severity vulnerability affecting netshieldcorp nano_25_firmware. It was published on February 22, 2021 and has a CVSS 3.1 base score of 7.2 (HIGH).
How severe is CVE-2021-3149?
This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-3149?
Check the references section for vendor advisories and patches from netshieldcorp. Update nano_25_firmware 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-2021-3149?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-3149 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
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
AI-driven PR review catches vulnerable dependencies before they ship.
Browser-based exploitation validates findings with real proof-of-concept.
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