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Actively exploited

Listed in CISA’s Known Exploited Vulnerabilities catalog since September 18, 2023.

Known ransomware use

CVE-2017-6884

Zyxel EMG2926 Routers Command Injection Vulnerability

Zyxel · EMG2926 Routers

Added to KEV September 18, 2023

Alert details

Source feed
CISA KEV
CVE ID
CVE-2017-6884
CWE
CWE-78
Affected products
EMG2926 Routers · Zyxel EMG2926 Routers · Zyxel

What happened

Zyxel EMG2926 routers contain a command injection vulnerability located in the diagnostic tools, specifically the nslookup function. A malicious user may exploit numerous vectors to execute malicious commands on the router, such as the ping_ip parameter to the expert/maintenance/diagnostic/nslookup URI.

What it means for your business

Zyxel EMG2926 Routers is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2017-6884). Zyxel EMG2926 routers contain a command injection vulnerability located in the diagnostic tools, specifically the nslookup function. A malicious user may exploit numerous vectors to execute malicious commands on the router, such as the ping_ip parameter to the expert/maintenance/diagnostic/nslookup URI. CISA remediation due date: 2023-10-09. If you need help checking exposure, call (864) 335-9223.

Required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CISA due date: October 9, 2023

Sources

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