Is It On KEV?

Zyxel EMG2926 Routers

YES - ON THE CISA KEV LIST
CVE-2017-6884

Zyxel EMG2926 Routers Command Injection Vulnerability

CISA catalog due date2023-10-09
overdue since 2023-10-09
EPSS exploit probability (next 30 days)33.0% · 98percentile
From CVE publication to KEV listing2356 days (2017-04-06 → 2023-09-18)
Remediation window (KEV listing to due date)21 days
Days on the KEV list1150 days
Date added to KEV2023-09-18
Known ransomware campaign useKnown
VendorZyxel
ProductEMG2926 Routers
Weaknesses (CWE)CWE-78

Zyxel: 13 entries (0.7% of all KEV entries are from this vendor); 1 added in 2026.

BOD 26-04 note: this is the date printed in the CISA catalog. A federal agency's actual deadline is set by its SSVC tier - Act (3 days), Attend (14 days), Track (60 days), or the next scheduled upgrade - counted from the KEV listing date or the date the vulnerability is identified in its environment, whichever comes first. Use the tier helper on each CVE page for your own window.

Your BOD 26-04 window (SSVC tier helper)

Your remediation window ends:

Description

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.

Required action (CISA)

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

Notes

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-command-injection-vulnerability-in-emg2926-q10a-ethernet-cpe, https://www.zyxelguard.com/Zyxel-EOL.asp; https://nvd.nist.gov/vuln/detail/CVE-2017-6884

References

Other KEV entries for this vendor: Zyxel

Zyxel - Vendors with KEV entries

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