CVE-2017-8116

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-13. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 5%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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 v3
9.8
EG Score
9.8(medium)
EPSS
90.4%
KEV
Not listed

Published

July 3, 2017

Last Modified

May 13, 2026

Advisory Details (3)

Auto-updated May 19, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

CVE-2017-8116: Teltonika router unauthenticated remote code execution

https://labs.nettitude.com/blog/cve-2017-8116-teltonika-router-unauthenticated-remote-code-execution/
generic

metasploit-modules/teltonika_cmd_exec.rb at master · nettitude/metasploit-modules · GitHub

https://github.com/nettitude/metasploit-modules/blob/master/teltonika_cmd_exec.rb
generic

metasploit-modules/teltonika_add_user.rb at master · nettitude/metasploit-modules · GitHub

https://github.com/nettitude/metasploit-modules/blob/master/teltonika_add_user.rb

Data Freshness Timeline

(refreshed 12× in last 7d / 42× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 109 total refreshes for this CVE.

  1. 2026-07-07 13:42 UTCEPSS rescore
  2. 2026-07-06 16:24 UTCEPSS rescore
  3. 2026-07-06 16:24 UTCEPSS rescore
  4. 2026-07-06 02:20 UTCEPSS rescore
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  9. 2026-07-02 16:54 UTCEPSS rescore
  10. 2026-07-01 15:03 UTCEPSS rescore
  11. 2026-06-30 23:19 UTCEPSS rescore
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  13. 2026-06-28 14:04 UTCEPSS rescore
  14. 2026-06-28 04:53 UTCEPSS rescore
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  16. 2026-06-27 03:06 UTCEPSS rescore
  17. 2026-06-25 13:47 UTCEPSS rescore
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  20. 2026-06-23 21:30 UTCEPSS rescore
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  24. 2026-06-21 14:54 UTCEPSS rescore
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  1. 2026-06-21 01:57 UTCEPSS rescore
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  3. 2026-06-19 19:23 UTCEPSS rescore
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  5. 2026-06-18 17:50 UTCEPSS rescore
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  7. 2026-06-16 17:50 UTCEPSS rescore
  8. 2026-06-15 17:45 UTCEPSS rescore
  9. 2026-06-14 23:14 UTCEPSS rescore
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  11. 2026-06-13 22:58 UTCEPSS rescore
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  13. 2026-06-12 23:09 UTCEPSS rescore
  14. 2026-06-12 23:09 UTCEPSS rescore
  15. 2026-06-11 13:57 UTCEPSS rescore
  16. 2026-06-10 22:15 UTCEPSS rescore
  17. 2026-06-10 13:19 UTCEPSS rescore
  18. 2026-06-07 15:22 UTCEPSS rescore
  19. 2026-06-07 15:22 UTCEPSS rescore
  20. 2026-06-06 13:45 UTCEPSS rescore
  21. 2026-06-06 13:45 UTCEPSS rescore
  22. 2026-06-05 22:44 UTCEPSS rescore
  23. 2026-06-05 22:44 UTCEPSS rescore
  24. 2026-06-05 06:08 UTCEPSS rescore
  25. 2026-06-05 06:08 UTCEPSS rescore
  26. 2026-06-04 13:10 UTCEPSS rescore
  27. 2026-06-04 13:10 UTCEPSS rescore
  28. 2026-06-02 20:11 UTCEPSS rescore
  29. 2026-06-02 20:11 UTCEPSS rescore
  30. 2026-06-01 13:49 UTCEPSS rescore
  31. 2026-06-01 13:49 UTCEPSS rescore
  32. 2026-05-31 22:28 UTCEPSS rescore
  33. 2026-05-31 00:14 UTCEPSS rescore
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  35. 2026-05-29 13:41 UTCEPSS rescore
  36. 2026-05-28 13:42 UTCEPSS rescore
  37. 2026-05-28 13:42 UTCEPSS rescore
  38. 2026-05-27 13:38 UTCEPSS rescore
  39. 2026-05-27 13:38 UTCEPSS rescore
  40. 2026-05-26 13:42 UTCEPSS rescore
  41. 2026-05-22 21:15 UTCEPSS rescore
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  48. 2026-05-21 22:40 UTCEPSS rescore
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  50. 2026-05-20 22:37 UTCEPSS rescore
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  64. 2026-05-20 11:21 UTCEPSS rescore
  65. 2026-05-20 10:35 UTCEG score recompute
  66. 2026-05-20 10:35 UTCGHSA enrichment
  67. 2026-05-20 06:14 UTCEG score recompute
  68. 2026-05-20 06:14 UTCGHSA enrichment
  69. 2026-05-20 01:53 UTCEG score recompute
  70. 2026-05-20 01:53 UTCGHSA enrichment
  71. 2026-05-19 21:32 UTCEG score recompute
  72. 2026-05-19 21:32 UTCGHSA enrichment
  73. 2026-05-19 17:11 UTCEG score recompute
  74. 2026-05-19 17:11 UTCGHSA enrichment
  75. 2026-05-19 12:50 UTCEG score recompute

Frequently asked(5)

What is CVE-2017-8116?
CVE-2017-8116 is a critical vulnerability published on July 3, 2017. 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.
When was CVE-2017-8116 disclosed?
CVE-2017-8116 was first published in the National Vulnerability Database on July 3, 2017, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-8116 actively exploited?
CVE-2017-8116 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 90.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2017-8116?
CVE-2017-8116 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2017-8116?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-8116, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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