CVE-2017-18368

unknown KEV

Published 2023-08-07 · Modified 2023-08-07

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

2.5

Description

Zyxel P660HN-T1A routers contain a command injection vulnerability in the Remote System Log forwarding function, which is accessible by an unauthenticated user and exploited via the remote_host parameter of the ViewLog.asp page.

CISA KEV

Vendor: Zyxel
Product: P660HN-T1A Routers
Due date: 2023-08-28

Predictions

Exploit likelihood

99%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Metasploit modules

exploit_linux/http/trueonline_p660hn_v1_rce rank 600

TrueOnline / ZyXEL P660HN-T v1 Router Unauthenticated Command Injection

Source fetch failed: fetch_error — view the original via the link above.

References

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

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.