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Vulnerability record · CVE-2018-17534 · published 15 October 2018

CVE-2018-17534: Teltonika rut900 firmware improper authentication vulnerability

TTeltonika · Rut900 Firmware

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.

6.8 CVSS 3.0 Medium EPSS 0.72% · top 47.8% CWE-287 · Improper authentication
6.8CVSS 3.0 base score, v2 7.2
0.72%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
6References, 6 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/149779/Teltonika-RUT9XX-Missing-Access-Control-To-UART-Root-Terminal.html ExploitThird Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2018/Oct/28 ExploitMailing ListThird Party Advisory
https://github.com/sbaresearch/advisories/tree/public/2018/SBA-ADV-20180319-02_Teltonika_Incorrect_Access_Control ExploitThird Party Advisory
http://packetstormsecurity.com/files/149779/Teltonika-RUT9XX-Missing-Access-Control-To-UART-Root-Terminal.html ExploitThird Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2018/Oct/28 ExploitMailing ListThird Party Advisory
https://github.com/sbaresearch/advisories/tree/public/2018/SBA-ADV-20180319-02_Teltonika_Incorrect_Access_Control ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2018-19879Teltonika rut950 firmware improper restriction of authentication attempts vulnerabilityAn issue was discovered in /cgi-bin/luci on Teltonika RTU9XX (e.g., RUT950) R_31.04.89 before R_00.05.00.5 devices. The authentication functionality …EPSS 1.3%9.8CVE-2018-17532Teltonika RUT9XX routers unauthenticated OS command injectionTeltonika RUT9XX routers running firmware before 00.04.233 fail to sanitize user input in autologin.cgi and hotspotlogin.cgi, allowing OS command inj…EPSS 71%analysed9.8CVE-2017-8116Teltonika rut900 firmware os command injection vulnerabilityThe management interface for the Teltonika RUT9XX routers (aka LuCI) with firmware 00.03.265 and earlier allows remote attackers to execute arbitrary…EPSS 4.5%6.5CVE-2018-19878Teltonika rut950 firmware use after free vulnerabilityAn issue was discovered on Teltonika RTU950 R_31.04.89 devices. The application allows a user to login without limitation. For every successful login…EPSS 1.2%6.1CVE-2018-17533Teltonika rut900 firmware cross-site scripting vulnerabilityTeltonika RUT9XX routers with firmware before 00.05.01.1 are prone to cross-site scripting vulnerabilities in hotspotlogin.cgi due to insufficient us…EPSS 2.0%7.5CVE-2026-42018JFrog Artifactory improper authentication leaks anonymous tokenJFrog Artifactory can return an internal anonymous-user token to an unauthenticated caller even when anonymous access is disabled. Because the token …KEVEPSS 9.8%analysed9.8CVE-2026-82329JFrog Artifactory improper authentication allows admin takeoverJFrog Artifactory contains an improper authentication weakness (CWE-287) that, under default configuration, may let an unauthenticated attacker with …KEVEPSS 14%analysed8.8CVE-2026-59822LiteLLM MCP endpoint auth bypass via OAuth2 passthrough fallbackLiteLLM's MCP Streamable HTTP endpoint, prior to 1.84.0, let an unauthenticated attacker send a fabricated Authorization header that triggered an OAu…KEVEPSS 0.84%analysed

Source: NIST National Vulnerability Database (record CVE-2018-17534), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.