CVE-2017-6884
Zyxel EMG2926 Routers Command Injection Vulnerability
Published Apr 6, 2017 · updated Oct 1, 2026 · zyxel emg2926 firmware
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.
Timeline
Detection, updates, and resolution for this record.
Apr 6, 2017 · Catalog
Detected
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.
Sep 18, 2023 · CISA KEV
Known exploited
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Oct 9, 2023 · CISA KEV
Remediation due
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Oct 1, 2026 · Catalog
Updated
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.
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA due date Oct 9, 2023
Affected
- cpe zyxel/emg2926 firmwarev1.00\(aaqt.4\)b8
- vendor Zyxel EMG2926 Routersversion unspecified
Sources
- CISA KEVCVE-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.gov - CVE.orgCVE-2017-6884
Official CVE identifier
cve.org - FIRST EPSSCVE-2017-6884
30-day exploitation probability 34.6%
first.org - Exploit Database41782
Public archive entry. The exploit body is not stored here.
exploit-db.com - NIST NVDCVE-2017-6884
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 o
nvd.nist.gov