CVE-2018-17534

Teltonika RUT9XX routers with firmware before 00.04.233 provide a root terminal on a serial...

6.8 Medium

Teltonika RUT9XX routers with firmware before 00.04.233 provide a root terminal on a serial interface without proper access control. This allows attackers with physical access to execute arbitrary commands with root privileges.

Attack profile

How easy it is to exploit

Attack vector: Physical
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.72%Down 0.7 points since Apr 14, 2021

What each source reports

NVD Score used 6.8

Record: CVE-2018-17534
CVSS 3.0: 6.8 MediumCVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 7.2 HighAV:L/AC:L/Au:N/C:C/I:C/A:C
Weakness: CWE-287
Updated: 2026-11-02

CVE List No score

Record: CVE-2018-17534
Updated: 2026-11-02

EUVDEUVD-2018-9287 No score

Record: EUVD-2018-9287
Updated: 2026-11-03

GitHub AdvisoriesGHSA-3gqh-4x39-jr92 6.8

Teltonika RUT9XX routers with firmware before 00.04.233 provide a root terminal on a serial...

Record: GHSA-3gqh-4x39-jr92
CVSS 3.0: 6.8 MediumCVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-287
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-17534 is a medium vulnerability (CVSS 6.8) in Teltonika Rut900 Firmware, published October 15, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.72%, the 54th percentile. No source names a fixed version.