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CVE-2014-0356

7.9 · HIGH

The ZyXEL Wireless N300 NetUSB NBG-419N router with firmware 1.00(BFQ.6)C0 allows remote attackers to execute arbitrary code via shell metacharacters in input to the (1) detectWeather, (2) set_lang…

Published Apr 15, 2014zyxelCWE-78EPSS 1.14%

Overview

CVE-2014-0356 is a high-severity vulnerability affecting zyxel n300_netusb_nbg-419n_firmware. It was published on April 15, 2014 and has a CVSS 2.0 base score of 7.9 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.9, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

The ZyXEL Wireless N300 NetUSB NBG-419N router with firmware 1.00(BFQ.6)C0 allows remote attackers to execute arbitrary code via shell metacharacters in input to the (1) detectWeather, (2) set_language, (3) SystemCommand, or (4) NTPSyncWithHost function in management.c, or a (5) SET COUNTRY, (6) SET WLAN SSID, (7) SET WLAN CHANNEL, (8) SET WLAN STATUS, or (9) SET WLAN COUNTRY udps command.

Remediation

Check the references section for vendor advisories and patches from zyxel. Update n300_netusb_nbg-419n_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

VendorProductVersionsStatus

References

Refwww.kb.cert.org/vuls/id/939260Refwww.kb.cert.org/vuls/id/939260

How CyberStrike helps

Frequently asked questions

What is CVE-2014-0356?

CVE-2014-0356 is a high-severity vulnerability affecting zyxel n300_netusb_nbg-419n_firmware. It was published on April 15, 2014 and has a CVSS 2.0 base score of 7.9 (HIGH).

How severe is CVE-2014-0356?

This vulnerability has a CVSS 2.0 base score of 7.9, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2014-0356?

Check the references section for vendor advisories and patches from zyxel. Update n300_netusb_nbg-419n_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-2014-0356?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2014-0356 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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