CVE-2017-18368

CVE Enrichment

CVSS: 9.8 CRITICAL
EPSS: 94.43%
EPSS Percentile: 99.85%
CISA KEV: YES — Known Exploited Vulnerability

Description

The ZyXEL P660HN-T1A v1 TCLinux Fw $7.3.15.0 v001 / 3.40(ULM.0)b31 router distributed by TrueOnline has a command injection vulnerability in the Remote System Log forwarding function, which is accessible by an unauthenticated user. The vulnerability is in the ViewLog.asp page and can be exploited through the remote_host parameter.

Technical Details

CVSS Version: 3.1
CNA / NVD Source: cve@mitre.org
Published: 03-May-2019 00:29
Last Modified: 17-Jun-2026 08:12
EPSS Date: 2026-10-11
CWE: CWE-78

CVSS Vector


            CVSS:3.1                            AV:N /
                            AC:L /
                            PR:N /
                            UI:N /
                            S:U /
                            C:H /
                            I:H /
                            A:H

CISA KEV Details

Date Added: 2023-08-07
Remediation Due: 2023-08-28
Known Ransomware Campaign Use: Unknown
Required Action: 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-a-new-variant-of-gafgyt-malware; https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-command-injection-vulnerability-in-p660hn-t1a-dsl-cpe; https://nvd.nist.gov/vuln/detail/CVE-2017-18368

Affected Products / Versions

billion / 5200w-t_firmware
Version / affected range: 7.3.8.0
cpe:2.3:o:billion:5200w-t_firmware:7.3.8.0:*:*:*:*:*:*:*
zyxel / p660hn-t1a_v2_firmware
Version / affected range: 7.3.15.0
cpe:2.3:o:zyxel:p660hn-t1a_v2_firmware:7.3.15.0:*:*:*:*:*:*:*
zyxel / p660hn-t1a_v1_firmware
Version / affected range: 7.3.15.0
cpe:2.3:o:zyxel:p660hn-t1a_v1_firmware:7.3.15.0:*:*:*:*:*:*:*

References

Last enrichment sync: 11-Oct-2026 23:12
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.

Reported Context (1)

Vulnerabilities: Attacks on routers, including ZTE and GPON models, exploit vulnerabilities such as CVE-2017-18368, a command injection flaw, and CVE-2021-20090, which affects various devices running Arcadyan Matrix DDoS Campaign Targets IoT Devices and Enterprise Servers to Build a Botnet

CVE (9)

Malware (7)

Threat Actors (1)

MITRE ATT&CK (15)

Vendors (7)

Products (9)

Tools (7)

Industries (1)

Countries (5)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.