⚠ Actively exploited
Added to CISA KEV on 2023-08-07. Federal agencies required to patch by 2023-08-28. Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable..

CVE-2017-18368 — OS Command Injection in Zyxel P660hn-t1a V1 Firmware

CWE-78 — OS Command Injection6 documents6 sources
Severity
9.8CRITICALNVD
EPSS
93.6%
top 0.17%
CISA KEV
KEV
Added 2023-08-07
Due 2023-08-28
Exploit
Exploited in wild
Active exploitation observed
Affected products
3
Billion 5200w-t FirmwareZyxel P660hn-t1a V1 FirmwareZyxel P660hn-t1a V2 Firmware
Timeline
PublishedMay 2
KEV addedAug 7
KEV dueAug 28
CISA Required Action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages3 packages

🔴Vulnerability Details

3
GHSA
GHSA-8hjr-66w2-mg84: The ZyXEL P660HN-T1A v1 TCLinux Fw $7↗2022-05-24
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CVEList
CVE-2017-18368: The ZyXEL P660HN-T1A v1 TCLinux Fw $7↗2019-05-02
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VulnCheck
Zyxel P660HN-T1A Routers Command Injection Vulnerability↗2017
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🔍Detection Rules

1
Suricata
ET EXPLOIT Possible ZyXEL P660HN-T v1 RCE (CVE-2017-18368)↗2019-03-18
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📋Vendor Advisories

1
CISA
Zyxel P660HN-T1A Routers Command Injection Vulnerability↗2023-08-07
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CVE-2017-18368 — OS Command Injection in Zyxel | cvebase