CVE-2017-183725200w-T Firmware OS Command Injection
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.
Published May 2, 2019 · Updated Nov 21, 2024
Key Facts
Patch immediately- CVE-2017-18372 is a high-severity vulnerability (CVSS 8.8 v3) affecting 5200w-T Firmware (Billion), P660hn-T1a V1 Firmware (Zyxel), P660hn-T1a V2 Firmware (Zyxel).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 22% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v3
8.8
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
22%
Higher than 97.6% of all scored CVEs
Exploit maturity
Weaponized
ATLAS score
44/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Weaponized
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
3
Reports of active use
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.
Affected Products
3 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| 5200w-T FirmwareBillion | 7.3.8.0 | n/a |
| P660hn-T1a V1 FirmwareZyxel | 7.3.15.0 | n/a |
| P660hn-T1a V2 FirmwareZyxel | 7.3.15.0 | n/a |
Timeline
Publicly disclosed
May 2, 2019
Last updated
Nov 21, 2024
Weakness Type
- CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
References
FAQ
Common Questions.
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.
Affected: 5200w-T Firmware (Billion) versions 7.3.8.0; P660hn-T1a V1 Firmware (Zyxel) versions 7.3.15.0; P660hn-T1a V2 Firmware (Zyxel) versions 7.3.15.0. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2017-18372 On Your Attack Surface?
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