RCE in Billion 5200w-T
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.
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.944 (99.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Billion 5200w-t
- Billion 5200w-t_firmware — versions 7.3.8.0
- Zyxel P660hn-t1a_v1
- Zyxel P660hn-t1a_v1_firmware — versions 7.3.15.0
- Zyxel P660hn-t1a_v2
- Zyxel P660hn-t1a_v2_firmware — versions 7.3.15.0
- N/a — versions n/a
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Mailing List, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Technical Description, Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Technical Description, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_MISC, Broken Link)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2017-18368?
- CVE-2017-18368 is a critical-severity vulnerability in Billion 5200w-T, classified under OS Command Injection. CVSS score: 9.8/10. Published 2019-05-02.
- How severe is CVE-2017-18368?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2017-18368 known to be exploited?
- Yes. CVE-2017-18368 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-08-07), indicating it is being actively exploited. 5 public proof-of-concept repositories are indexed.