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7.9

CVE-2014-0356: Zyxel N300 NetUSB router lets remote code run

CVE-2014-0356 · published 12 years ago
Summary

The Zyxel N300 NetUSB NBG-419N router (firmware 1.00 BFQ.6 C0) can be tricked into running attacker-supplied commands through several web‑based settings. This could let an outsider take control of the router and your network. Update the router firmware to the latest version or replace the device if a fix is not available.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
zyxel n300_netusb_nbg-419n_firmware 1.00\(bfq_6\)c0
cpe:2.3:o:zyxel:n300_netusb_nbg-419n_firmware:1.00\(bfq_6\)c0:*:*:*:*:*:*:*
zyxel n300_netusb_nbg-419n All versions
cpe:2.3:h:zyxel:n300_netusb_nbg-419n:-:*:*:*:*:*:*:*
Original advisory text
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...
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.
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker full control (estimated)
Severity
7.9 High
Exploitation
1% chance of attack within 30 days
Type
CWE-78OS Command Injection
Timeline
Published15 Apr 2014
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2014-0356 · NVD
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