CVE-2017-18368 kev in the critical feed json
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 i…
published 2019-05-02 7 y ago modified 2026-06-17 4 mo ago also EUVD-2017-9484
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Exploited
- added 2023-08-07
- epss
- 94.5%
- EPSS 94.5% chance of exploitation in 30 days, percentile 99.8%
- public exploits
- 1
- Metasploit
Summary
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.
Patch / fix
cisa required action Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Timeline
- First public exploit (Metasploit exploit/linux/http/trueonline_p660hn_v1_rce)
- Published
- Added to CISA KEV
- CISA patch deadline
- CISA SSVC: exploitation active
Known exploited
- Added
- 3 y ago
- Patch by
- 2023-08-28 (3 y ago)
- Ransomware
- Not known
- Required action
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- Vendor, product
- Zyxel, P660HN-T1A Routers
- CISA name
- Zyxel P660HN-T1A Routers Command Injection Vulnerability
CISA SSVC
- Exploitation
- Active, exploited in the wild
- Automatable
- yes
- Technical impact
- total
- Assessed
- 21 mo ago
Exploit prediction
94.51% chance of exploitation in the next 30 days, higher than 99.8% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Metasploit exploit/linux/http/trueonline_p660hn_v1_rce TrueOnline / ZyXEL P660HN-T v1 Router Unauthenticated Command Injection metasploit exploit, excellent rank, 2016-12-26
- seclists.org https://seclists.org/fulldisclosure/2017/Jan/40 referenced PoC, tagged "exploit" by a source, unverified
- ssd-disclosure.com https://ssd-disclosure.com/index.php/archives/2910 referenced PoC, tagged "exploit" by a source, unverified
- raw.githubusercontent.com https://raw.githubusercontent.com/pedrib/PoC/master/advisories/zyxel_trueonline.txt referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
References
-
seclists.org
/fulldisclosure/2017/Jan/40
exploit, mailing-list, third-party-advisory
-
ssd-disclosure.com
/index.php/archives/2910
exploit, technical-description, third-party-advisory
-
raw.githubusercontent.com
/pedrib/PoC/master/advisories/zyxel_trueonline.txt
exploit, third-party-advisory
-
unit42.paloaltonetworks.com
/new-mirai-variant-targets-enterprise-wireless-presentation-display-systems/
technical-description, third-party-advisory
-
zyxel.com
/support/announcement_unauthenticated.shtml
broken-link
-
cisa.gov
/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-18368
government-resource, us-government-resource
Sources
- CVE List CVE-2017-18368
- NVD CVE-2017-18368
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.