Is CVE-2017-18368 exploited in the wild?

Yes. CVE-2017-18368 is known to be exploited in the wild, first recorded on 7 August 2023. Treat it as urgent.

How severe is CVE-2017-18368?

Critical severity, with a CVSS score of 9.8, published 7 August 2023.

Which products and versions are affected?

Zyxel P660HN-T1A v1 firmware 7.3.15.0 v001 / 3.40(ULM.0)b31; Zyxel P660HN-T1A v2 firmware 7.3.15.0; Billion 5200W-T firmware 7.3.8.0.

Is there a fix for CVE-2017-18368?

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-2017-18368 attacked?

It is attacked over the network, in a network appliance.

Am I affected by CVE-2017-18368?

Check whether you run Zyxel P660HN-T1A 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.

CVE-2017-18368: Zyxel P660HN-T1A Routers Command Injection Vulnerability

CVE-2017-18368 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2023-08-07

Zyxel P660HN-T1A routers contain an unauthenticated command injection vulnerability in the Remote System Log forwarding function. The flaw exists in the ViewLog.asp page and can be exploited via the remote_host parameter to execute arbitrary OS commands.

Vendors: Zyxel.

Quick answers

Is CVE-2017-18368 exploited in the wild?: Yes. CVE-2017-18368 is known to be exploited in the wild, first recorded on 7 August 2023. Treat it as urgent.
How severe is CVE-2017-18368?: Critical severity, with a CVSS score of 9.8, published 7 August 2023.
Which products and versions are affected?: Zyxel P660HN-T1A v1 firmware 7.3.15.0 v001 / 3.40(ULM.0)b31; Zyxel P660HN-T1A v2 firmware 7.3.15.0; Billion 5200W-T firmware 7.3.8.0.
Is there a fix for CVE-2017-18368?: 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-2017-18368 attacked?: It is attacked over the network, in a network appliance.
Am I affected by CVE-2017-18368?: Check whether you run Zyxel P660HN-T1A 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 P660HN-T1A v1 firmware 7.3.15.0 v001 / 3.40(ULM.0)b31
Zyxel P660HN-T1A v2 firmware 7.3.15.0
Billion 5200W-T firmware 7.3.8.0

Timeline

2017-01-24: disclosed: Initial public disclosure via Full Disclosure mailing list
2019-05-03: other: Initial NIST NVD analysis published
2023-08-07: kev added: Added to CISA Known Exploited Vulnerabilities Catalog

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