RCE in Billion 5200w-T
CVE-2017-18370
The ZyXEL P660HN-T1A v2 TCLinux Fw #7.3.37.6 router distributed by TrueOnline has a command injection vulnerability in the Remote System Log forwarding function, which is only accessible by an authenticated user. The vulnerability is in the logSet.asp page and can be exploited through the ServerIP parameter. Authentication can be achieved by exploiting CVE-2017-18371.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.244 (97.8th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.244 · newest: 0.244 · change: 0.000
Affected products
- Billion 5200w-T
- Billion 5200w-T Firmware — versions 7.3.8.0
- Zyxel P660hn-T1a V1
- Zyxel P660hn-T1a V1 Firmware — versions 7.3.37.6
- Zyxel P660hn-T1a V2
- Zyxel P660hn-T1a V2 Firmware — versions 7.3.37.6
Weakness classification (CWE)
Public proof-of-concept exploits
References
- seclists.org/fulldisclosure/2017/Jan/40 (Exploit, Mailing List, Third Party Advisory)
- ssd-disclosure.com/index.php/archives/2910 (Technical Description, Exploit, Third Party Advisory)
- unit42.paloaltonetworks.com/new-mirai-variant-targets-enterprise-wireless-prese… (Technical Description, Third Party Advisory)
- raw.githubusercontent.com/pedrib/PoC/master/advisories/zyxel_trueonline.txt (Exploit, Third Party Advisory)
- www.zyxel.com/support/announcement_unauthenticated.shtml (Broken Link)
Frequently asked questions
- What is CVE-2017-18370?
- CVE-2017-18370 is a high-severity vulnerability in Billion 5200w-T, classified under OS Command Injection. CVSS score: 8.8/10. Published 2019-05-02.
- How severe is CVE-2017-18370?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2017-18370 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.