HOMEVULNERABILITIESCVE-2017-18372
HIGH

CVE-2017-18372

CWE-78Published: May 2, 2019· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official Description

The Billion 5200W-T TCLinux Fw $7.3.8.0 v008 130603 router distributed by TrueOnline has a command injection vulnerability in the Time Setting function, which is only accessible by an authenticated user. The vulnerability is in the tools_time.asp page and can be exploited through the uiViewSNTPServer parameter. Authentication can be achieved by exploiting CVE-2017-18373.

NVD Source

Technical Analysis

CVE-2017-18372 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

billion2 product(s)
5200w-t firmware5200w-t
zyxel4 product(s)
p660hn-t1a v2 firmwarep660hn-t1a v2p660hn-t1a v1 firmwarep660hn-t1a v1
Source: NVD CPE · 6 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://raw.githubusercontent.com/pedrib/PoC/master/advisories/zyxel_trueonline.txt
ADVISORYhttps://seclists.org/fulldisclosure/2017/Jan/40
ADVISORYhttps://ssd-disclosure.com/index.php/archives/2910
ADVISORYhttps://raw.githubusercontent.com/pedrib/PoC/master/advisories/zyxel_trueonline.txt
ADVISORYhttps://seclists.org/fulldisclosure/2017/Jan/40
ADVISORYhttps://ssd-disclosure.com/index.php/archives/2910

All References (6)

→
https://raw.githubusercontent.com/pedrib/PoC/master/advisories/zyxel_trueonline.txtExploit · Third Party Advisory
→
https://seclists.org/fulldisclosure/2017/Jan/40Exploit · Mailing List · Third Party Advisory
→
https://ssd-disclosure.com/index.php/archives/2910Exploit · Technical Description · Third Party Advisory
→
https://raw.githubusercontent.com/pedrib/PoC/master/advisories/zyxel_trueonline.txtExploit · Third Party Advisory
→
https://seclists.org/fulldisclosure/2017/Jan/40Exploit · Mailing List · Third Party Advisory
→
https://ssd-disclosure.com/index.php/archives/2910Exploit · Technical Description · Third Party Advisory

Quick Facts

CVE IDCVE-2017-18372
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-78
CISA KEVNo
Affected2 vendor(s)
PublishedMay 2, 2019

Related CVEs (CWE-78)

CVE-2008-4796
10.0
CVE-2014-6434
10.0
CVE-2026-56415
10.0
CVE-2026-56004
10.0
CVE-2026-56413
10.0
CVE-2010-2445
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2017-18372 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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