# CVE-2017-18368

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.

- Page: https://www.vulneraibility.com/cve/CVE-2017-18368
- CVSS: 9.8
- Known exploited: yes, in CISA KEV since 2023-08-07; CISA due date 2023-08-28
- EPSS: 94.51% (percentile 99.9)
- Public exploit code: 1 Metasploit module
- CISA SSVC: exploitation active, automatable yes, technical impact total (assessed 2025-02-04)
- Weakness: CWE-78
- Published: 2019-05-02

## Affected

- billion:5200w-t_firmware
- zyxel:p660hn-t1a_v2_firmware
- zyxel:p660hn-t1a_v1_firmware

## References

- [other] https://seclists.org/fulldisclosure/2017/Jan/40
- [other] https://ssd-disclosure.com/index.php/archives/2910
- [other] https://unit42.paloaltonetworks.com/new-mirai-variant-targets-enterprise-wireless-presentation-display-systems/
- [other] https://raw.githubusercontent.com/pedrib/PoC/master/advisories/zyxel_trueonline.txt
- [other] http://www.zyxel.com/support/announcement_unauthenticated.shtml
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-18368

---
Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.