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.
Conclusion & alert: CVE-2017-8116 is rated High Exploit Risk (82.9/100): CVSS Critical severity, with high exploitation likelihood (EPSS 4.52%, 90th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 7.46% | 4.52% | -2.94% |
| 2 | 2025-11-21 | 9.52% | 7.46% | -2.07% |
| 3 | 2025-11-18 | — | 9.52% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.0 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| teltonika | rut900_firmware | <= 00.03.265 | cpe:2.3:o:teltonika:rut900_firmware:*:*:*:*:*:*:*:* |
| teltonika | rut905_firmware | <= 00.03.265 | cpe:2.3:o:teltonika:rut905_firmware:*:*:*:*:*:*:*:* |
| teltonika | rut950_firmware | <= 00.03.265 | cpe:2.3:o:teltonika:rut950_firmware:*:*:*:*:*:*:*:* |
| teltonika | rut955_firmware | <= 00.03.265 | cpe:2.3:o:teltonika:rut955_firmware:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/nettitude/metasploit-modules/blob/master/teltonika_add_user.rb | Exploit Third Party Advisory |
| https://github.com/nettitude/metasploit-modules/blob/master/teltonika_cmd_exec.rb | Exploit Third Party Advisory |
| https://labs.nettitude.com/blog/cve-2017-8116-teltonika-router-unauthenticated-remote-code-execution/ | Third Party Advisory |