CVE-2017-18368 KEV
9.8
CRITICAL · CVSS 3.1 · EPSS 94.4% (pctl 100)
Patch first
On CISA KEV — known exploited in the wild, due 2023-08-28.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 94.43% — more likely to be exploited than 100% of all CVEs |
| Weakness | CWE-78 |
| On CISA KEV | yes — remediate by 2023-08-28 |
| Public exploit | none known |
| Published | 2019-05-02 |
| Last modified | 2026-06-17 |
CISA KEV
| Name | Zyxel P660HN-T1A Routers Command Injection Vulnerability |
|---|---|
| Added | 2023-08-07 |
| Due | 2023-08-28 |
| Vendor / product | Zyxel / P660HN-T1A Routers |
| Ransomware use | none reported |
Affected (6)
| Vendor | Product |
|---|---|
| billion | 5200w-t |
| billion | 5200w-t firmware |
| zyxel | p660hn-t1a v1 |
| zyxel | p660hn-t1a v1 firmware |
| zyxel | p660hn-t1a v2 |
| zyxel | p660hn-t1a v2 firmware |
References
- http://www.zyxel.com/support/announcement_unauthenticated.shtml
- https://raw.githubusercontent.com/pedrib/PoC/master/advisories/zyxel_trueonline.txt
- https://seclists.org/fulldisclosure/2017/Jan/40
- https://ssd-disclosure.com/index.php/archives/2910
- https://unit42.paloaltonetworks.com/new-mirai-variant-targets-enterprise-wireless-presentation-display-systems/
- http://www.zyxel.com/support/announcement_unauthenticated.shtml
- https://raw.githubusercontent.com/pedrib/PoC/master/advisories/zyxel_trueonline.txt
- https://seclists.org/fulldisclosure/2017/Jan/40
- https://ssd-disclosure.com/index.php/archives/2910
- https://unit42.paloaltonetworks.com/new-mirai-variant-targets-enterprise-wireless-presentation-display-systems/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-18368
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