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 vul…
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.945 (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.