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Vulnerability record · CVE-2017-8116 · published 3 July 2017

CVE-2017-8116: Teltonika rut900 firmware os command injection vulnerability

TTeltonika · Rut900 Firmware

The management interface for the Teltonika RUT9XX routers (aka LuCI) with firmware 00.03.265 and earlier allows remote attackers to execute arbitrary commands with root privileges via shell metacharacters in the username parameter in a login request.

9.8 CVSS 3.0 Critical EPSS 4.5% · top 8.8% CWE-78 · OS command injection
9.8CVSS 3.0 base score, v2 10.0
4.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
6References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

The management interface for the Teltonika RUT9XX routers (aka LuCI) with firmware 00.03.265 and earlier allows remote attackers to execute arbitrary commands with root privileges via shell metacharacters in the username parameter in a login request.

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

Affected products

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

References

LinkTags
https://github.com/nettitude/metasploit-modules/blob/master/teltonika_add_user.rb ExploitThird Party Advisory
https://github.com/nettitude/metasploit-modules/blob/master/teltonika_cmd_exec.rb ExploitThird Party Advisory
https://labs.nettitude.com/blog/cve-2017-8116-teltonika-router-unauthenticated-remote-code-execution/ Third Party Advisory
https://github.com/nettitude/metasploit-modules/blob/master/teltonika_add_user.rb ExploitThird Party Advisory
https://github.com/nettitude/metasploit-modules/blob/master/teltonika_cmd_exec.rb ExploitThird Party Advisory
https://labs.nettitude.com/blog/cve-2017-8116-teltonika-router-unauthenticated-remote-code-execution/ Third 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%analysed6.8CVE-2018-17534Teltonika rut900 firmware improper authentication vulnerabilityTeltonika RUT9XX routers with firmware before 00.04.233 provide a root terminal on a serial interface without proper access control. This allows atta…EPSS 0.72%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%8.8CVE-2026-53266Linux kernel ebtables SNAT out-of-bounds write in ARP rewriteThe ebtables SNAT target rewrites the ARP sender hardware address via skb_store_bits() without first making that range writable. When the ARP SHA byt…KEVEPSS 0.65%analysed8.8CVE-2026-87491Google Chrome V8 out-of-bounds write enables sandbox code executionChrome before 153.0.8010.36 contains an out-of-bounds write in the V8 JavaScript engine. A crafted HTML page can trigger the memory corruption, and b…KEVEPSS 3.1%analysed9.8CVE-2025-25249Fortinet FortiOS and FortiSwitchManager heap buffer overflow via crafted packetsA heap-based buffer overflow (CWE-122/CWE-787) in Fortinet FortiOS 6.4 through 7.6.3 and FortiSwitchManager 7.0 through 7.2.6 lets an unauthenticated…KEVEPSS 3.9%analysed

Source: NIST National Vulnerability Database (record CVE-2017-8116), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.