HOMEVULNERABILITIESCVE-2018-17534
MEDIUM

CVE-2018-17534

CWE-287Published: October 15, 2018· Updated: Jun 17, 2026

6.8
CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2018-17534 requires local access, meaning attackers must already have a foothold on the target system.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

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 6.8.

From a weakness classification perspective (CWE-287): Authentication bypass vulnerabilities allow attackers to access protected resources without valid credentials.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorPhysical
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

teltonika6 product(s)
rut900 firmwarerut900rut950 firmwarerut950rut955 firmwarerut955
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
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Official Patches & Advisories

ADVISORYhttp://packetstormsecurity.com/files/149779/Teltonika-RUT9XX-Missing-Access-Control-To-UART-Root-Terminal.html
ADVISORYhttp://seclists.org/fulldisclosure/2018/Oct/28
ADVISORYhttps://github.com/sbaresearch/advisories/tree/public/2018/SBA-ADV-20180319-02_Teltonika_Incorrect_Access_Control
ADVISORYhttp://packetstormsecurity.com/files/149779/Teltonika-RUT9XX-Missing-Access-Control-To-UART-Root-Terminal.html
ADVISORYhttp://seclists.org/fulldisclosure/2018/Oct/28
ADVISORYhttps://github.com/sbaresearch/advisories/tree/public/2018/SBA-ADV-20180319-02_Teltonika_Incorrect_Access_Control

All References (6)

→
http://packetstormsecurity.com/files/149779/Teltonika-RUT9XX-Missing-Access-Control-To-UART-Root-Terminal.htmlExploit · Third Party Advisory · VDB Entry
→
http://seclists.org/fulldisclosure/2018/Oct/28Exploit · Mailing List · Third Party Advisory
→
https://github.com/sbaresearch/advisories/tree/public/2018/SBA-ADV-20180319-02_Teltonika_Incorrect_Access_ControlExploit · Third Party Advisory
→
http://packetstormsecurity.com/files/149779/Teltonika-RUT9XX-Missing-Access-Control-To-UART-Root-Terminal.htmlExploit · Third Party Advisory · VDB Entry
→
http://seclists.org/fulldisclosure/2018/Oct/28Exploit · Mailing List · Third Party Advisory
→
https://github.com/sbaresearch/advisories/tree/public/2018/SBA-ADV-20180319-02_Teltonika_Incorrect_Access_ControlExploit · Third Party Advisory

Quick Facts

CVE IDCVE-2018-17534
CVSS Score6.8 / 10
SeverityMEDIUM
WeaknessCWE-287
CISA KEVNo
Affected1 vendor(s)
PublishedOct 15, 2018

Related CVEs (CWE-287)

CVE-2008-1244
10.0
CVE-2026-20182
KEV10.0
CVE-2026-42869
10.0
CVE-2025-44005
10.0
CVE-2013-7282
10.0
CVE-2026-41070
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2018-17534 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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