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CVE-2016-10227

7.5 · HIGH

Zyxel USG50 Security Appliance and NWA3560-N Access Point allow remote attackers to cause a denial of service (CPU consumption) via a flood of ICMPv4 Port Unreachable packets.

Published Feb 21, 2017CWE-399EPSS 2.06%

Overview

CVE-2016-10227 is a high-severity vulnerability. It was published on February 21, 2017 and has a CVSS 3.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Zyxel USG50 Security Appliance and NWA3560-N Access Point allow remote attackers to cause a denial of service (CPU consumption) via a flood of ICMPv4 Port Unreachable packets.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. 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.

References

Refwww.securityfocus.com/bid/97105Refwww.zyxel.com/support/announcement_blacknurse_attack.shtmlRefcxsecurity.com/issue/WLB-2017020177Refwww.securityfocus.com/bid/97105Refwww.zyxel.com/support/announcement_blacknurse_attack.shtmlRefcxsecurity.com/issue/WLB-2017020177

How CyberStrike helps

Frequently asked questions

What is CVE-2016-10227?

CVE-2016-10227 is a high-severity vulnerability. It was published on February 21, 2017 and has a CVSS 3.0 base score of 7.5 (HIGH).

How severe is CVE-2016-10227?

This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2016-10227?

Check the references section for vendor advisories, patches, and mitigation guidance. 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-2016-10227?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-10227 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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