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n/a · command injection

cve-program · severity unknownCVSS unknownCheck source for fixed versionsCISA KEV

cve-program · CVE-2017-6884

Published

A command injection vulnerability was discovered on the Zyxel EMG2926 home router with firmware V1.00(AAQT.4)b8. The vulnerability is located in the diagnostic tools, specifically the nslookup function. A malicious user may exploit numerous vectors to execute arbitrary commands on the router, such as the ping_ip parameter to the expert/maintenance/diagnostic/nslookup URI.

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Affected versions, risk and source history

Exploitation and risk

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CVE-2017-6884

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Listed in CISA KEV · added 18 Sep 2023 · Zyxel · EMG2926 Routers

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 source · CISA-cited reference

No EPSS score is available here for this CVE.

Saved 23 Oct 2026 16:01:26 UTC · View this risk record (JSON)

Advisory history

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23 Oct 2026 15:48:27 UTC

A command injection vulnerability was discovered on the Zyxel EMG2926 home router with firmware V1.00(AAQT.4)b8. The vulnerability is located in the diagnostic tools, specifically the nslookup function. A malicious user may exploit numerous…

cve-program · CVE-2017-6884 · Published

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Sources read 12 Nov 16:29 UTC · 265 of 275 readable · 263 fully read · documentation 469/469 current