CVE-2017-6884 · Severity: critical · CVSS 8.8 · Exploited in the wild · Published 2023-09-18
Zyxel EMG2926 routers contain an OS command injection vulnerability in the diagnostic tools' nslookup function. An authenticated attacker can execute arbitrary commands via the ping_ip parameter to the expert/maintenance/diagnostic/nslookup URI.
Yes. CVE-2017-6884 is known to be exploited in the wild, first recorded on 18 September 2023. Treat it as urgent.
How severe is CVE-2017-6884?
Critical severity, with a CVSS score of 8.8, published 18 September 2023.
Which products and versions are affected?
Zyxel EMG2926 V1.00(AAQT.4)b8.
Is there a fix for CVE-2017-6884?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2017-6884 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2017-6884?
Check whether you run Zyxel EMG2926 Routers. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Affected products
Zyxel EMG2926 V1.00(AAQT.4)b8
Timeline
2017-04-06: disclosed: NVD Published Date
2023-09-18: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
2023-10-09: other: CISA KEV due date for remediation