CVE-2018-14847

CRITICALNVD 9.19.1—
EchelonGraph scoreHIGH confidence

Score elevated to 9.1 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2021-12-01), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 9.1 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 4 sources updated this weekExploited in the wild
9.1EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 96%CVSS: 9.1Exploit: cisa kev · ssvc active · Metasploit · epss top5pct · epss high · public exploitExposed: 0

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

MikroTik RouterOS through 6.42 allows unauthenticated remote attackers to read arbitrary files and remote authenticated attackers to write arbitrary files due to a directory traversal vulnerability in the WinBox interface.

CVSS v3
9.1
EG Score
9.1(high)
EG Risk
96(Act)
EG Risk 96/100SSVC: Act

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity91% × 45%
Exploitation100% × 40%
Automatability100% × 15%
Action: Fix now — active exploitation, automatable, high impact.
EPSS PROB
96%
EPSS %ILE
100%
KEV
⚠ Exploited

Published

August 2, 2018

Last Modified

November 7, 2025

Advisory Details (6)

Auto-updated Jun 2, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

GitHub - BigNerd95/WinboxExploit: Proof of Concept of Winbox Critical Vulnerability · GitHub

https://github.com/BigNerd95/WinboxExploit
generic🟡 PoC Available

GitHub - BasuCert/WinboxPoC: Proof of Concept of Winbox Critical Vulnerability (CVE-2018-14847) · GitHub

https://github.com/BasuCert/WinboxPoC
generic

https://blog.n0p.me/2018/05/2018-05-21-winbox-bug-dissection/

https://n0p.me/winbox-bug-dissection/
generic

MikroTik · Winbox vulnerability

https://mikrotik.com/supportsec/winbox-vulnerability
generic🟡 PoC Available

routeros/poc/cve_2018_14847 at master · tenable/routeros · GitHub

https://github.com/tenable/routeros/tree/master/poc/cve_2018_14847
generic🟡 PoC Available

routeros/poc/bytheway at master · tenable/routeros · GitHub

https://github.com/tenable/routeros/tree/master/poc/bytheway

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 39× in last 7d / 208× 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 428 total refreshes for this CVE.

  1. 2026-07-28 05:58 UTCGHSA enrichment
  2. 2026-07-28 02:20 UTCGHSA enrichment
  3. 2026-07-27 22:42 UTCGHSA enrichment
  4. 2026-07-27 19:24 UTCCISA KEV update
  5. 2026-07-27 19:03 UTCGHSA enrichment
  6. 2026-07-27 17:17 UTCCISA KEV update
  7. 2026-07-27 15:10 UTCGHSA enrichment
  8. 2026-07-27 11:32 UTCGHSA enrichment
  9. 2026-07-27 07:52 UTCGHSA enrichment
  10. 2026-07-27 04:15 UTCGHSA enrichment
  11. 2026-07-27 00:35 UTCGHSA enrichment
  12. 2026-07-26 20:54 UTCGHSA enrichment
  13. 2026-07-26 17:16 UTCEG score recompute
  14. 2026-07-26 17:16 UTCGHSA enrichment
  15. 2026-07-26 14:51 UTCEPSS rescore
  16. 2026-07-26 14:51 UTCEPSS rescore
  17. 2026-07-26 13:39 UTCEG score recompute
  18. 2026-07-26 13:39 UTCGHSA enrichment
  19. 2026-07-26 10:01 UTCGHSA enrichment
  20. 2026-07-26 06:23 UTCGHSA enrichment
  21. 2026-07-26 02:26 UTCEG score recompute
  22. 2026-07-26 02:26 UTCGHSA enrichment
  23. 2026-07-23 01:33 UTCEG score recompute
  24. 2026-07-22 22:53 UTCGHSA enrichment
  25. 2026-07-22 22:13 UTCEG score recompute
Show 75 more
  1. 2026-07-22 19:40 UTCCISA KEV update
  2. 2026-07-22 19:14 UTCGHSA enrichment
  3. 2026-07-22 15:37 UTCEG score recompute
  4. 2026-07-22 15:36 UTCGHSA enrichment
  5. 2026-07-22 14:04 UTCEPSS rescore
  6. 2026-07-22 11:58 UTCGHSA enrichment
  7. 2026-07-22 08:21 UTCGHSA enrichment
  8. 2026-07-22 04:44 UTCGHSA enrichment
  9. 2026-07-22 00:40 UTCGHSA enrichment
  10. 2026-07-21 20:53 UTCGHSA enrichment
  11. 2026-07-21 17:15 UTCGHSA enrichment
  12. 2026-07-21 14:37 UTCCISA KEV update
  13. 2026-07-21 13:37 UTCGHSA enrichment
  14. 2026-07-21 10:00 UTCGHSA enrichment
  15. 2026-07-21 06:21 UTCGHSA enrichment
  16. 2026-07-21 02:43 UTCGHSA enrichment
  17. 2026-07-20 23:06 UTCGHSA enrichment
  18. 2026-07-20 19:28 UTCGHSA enrichment
  19. 2026-07-20 15:51 UTCGHSA enrichment
  20. 2026-07-20 12:14 UTCGHSA enrichment
  21. 2026-07-20 08:35 UTCGHSA enrichment
  22. 2026-07-20 04:57 UTCGHSA enrichment
  23. 2026-07-19 21:41 UTCGHSA enrichment
  24. 2026-07-19 18:04 UTCGHSA enrichment
  25. 2026-07-19 14:26 UTCGHSA enrichment
  26. 2026-07-19 10:48 UTCGHSA enrichment
  27. 2026-07-19 07:10 UTCGHSA enrichment
  28. 2026-07-19 03:32 UTCGHSA enrichment
  29. 2026-07-18 23:54 UTCGHSA enrichment
  30. 2026-07-18 20:17 UTCGHSA enrichment
  31. 2026-07-18 16:39 UTCGHSA enrichment
  32. 2026-07-18 13:01 UTCGHSA enrichment
  33. 2026-07-18 09:24 UTCGHSA enrichment
  34. 2026-07-18 05:46 UTCGHSA enrichment
  35. 2026-07-18 02:09 UTCGHSA enrichment
  36. 2026-07-17 22:32 UTCGHSA enrichment
  37. 2026-07-17 18:54 UTCGHSA enrichment
  38. 2026-07-17 15:16 UTCGHSA enrichment
  39. 2026-07-17 11:38 UTCGHSA enrichment
  40. 2026-07-17 07:59 UTCEG score recompute
  41. 2026-07-17 07:59 UTCGHSA enrichment
  42. 2026-07-17 04:22 UTCGHSA enrichment
  43. 2026-07-17 00:44 UTCGHSA enrichment
  44. 2026-07-16 21:04 UTCGHSA enrichment
  45. 2026-07-16 17:26 UTCGHSA enrichment
  46. 2026-07-16 17:04 UTCCISA KEV update
  47. 2026-07-16 13:49 UTCGHSA enrichment
  48. 2026-07-16 10:11 UTCGHSA enrichment
  49. 2026-07-16 06:33 UTCGHSA enrichment
  50. 2026-07-16 02:52 UTCGHSA enrichment
  51. 2026-07-15 23:15 UTCGHSA enrichment
  52. 2026-07-15 19:38 UTCGHSA enrichment
  53. 2026-07-15 16:49 UTCCISA KEV update
  54. 2026-07-15 16:00 UTCGHSA enrichment
  55. 2026-07-15 15:04 UTCCISA KEV update
  56. 2026-07-15 12:22 UTCGHSA enrichment
  57. 2026-07-15 08:42 UTCGHSA enrichment
  58. 2026-07-15 05:03 UTCGHSA enrichment
  59. 2026-07-15 01:24 UTCGHSA enrichment
  60. 2026-07-14 21:47 UTCGHSA enrichment
  61. 2026-07-14 18:09 UTCGHSA enrichment
  62. 2026-07-14 18:05 UTCCISA KEV update
  63. 2026-07-14 14:31 UTCGHSA enrichment
  64. 2026-07-14 10:54 UTCGHSA enrichment
  65. 2026-07-14 07:15 UTCGHSA enrichment
  66. 2026-07-14 03:38 UTCGHSA enrichment
  67. 2026-07-14 00:01 UTCGHSA enrichment
  68. 2026-07-13 20:24 UTCGHSA enrichment
  69. 2026-07-13 17:07 UTCCISA KEV update
  70. 2026-07-13 16:46 UTCGHSA enrichment
  71. 2026-07-13 13:07 UTCGHSA enrichment
  72. 2026-07-13 09:29 UTCGHSA enrichment
  73. 2026-07-13 05:51 UTCGHSA enrichment
  74. 2026-07-13 02:14 UTCGHSA enrichment
  75. 2026-07-12 22:37 UTCGHSA enrichment

Publicly available exploits

(10 references)

Working exploit code is in the public domain (1 Metasploit module) (8 GitHub PoCs) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCK3ysTr0K3R/CVE-2018-14847-EXPLOIT
    First seen Apr 22, 2024

    A PoC exploit for CVE-2018-14847 - MikroTik WinBox File Read

    Open source ↗
  • GitHub PoCbabyshen/routeros-CVE-2018-14847-bytheway
    First seen Oct 31, 2022

    By the Way is an exploit that enables a root shell on Mikrotik devices running RouterOS versions:

    Open source ↗
  • GitHub PoChacker30468/Mikrotik-router-hack
    First seen Apr 21, 2021

    This is a proof of concept of the critical WinBox vulnerability (CVE-2018-14847) which allows for arbitrary file read of plain text passwords. The vulnerability has long since been fixed, so this project has ended and will not be supported or updated anymore. You can fork it and update it yourself instead.

    Open source ↗
  • GitHub PoCsinichi449/Python-MikrotikLoginExploit
    First seen Sep 29, 2019

    PoC of CVE-2018-14847 Mikrotik Vulnerability using simple script

    Open source ↗
  • GitHub PoCmahmoodsabir/mikrotik-beast
    First seen May 26, 2019

    Mass MikroTik WinBox Exploitation tool, CVE-2018-14847

    Open source ↗
  • GitHub PoCjas502n/CVE-2018-14847
    First seen Dec 15, 2018

    MikroTik RouterOS Winbox未经身份验证的任意文件读/写漏洞

    Open source ↗
  • GitHub PoCsyrex1013/MikroRoot
    First seen Oct 13, 2018

    Automated version of CVE-2018-14847 (MikroTik Exploit)

    Open source ↗
  • Exploit-DBEDB-45578
    First seen Oct 10, 2018

    MicroTik RouterOS < 6.43rc3 - Remote Root

    Open source ↗
  • GitHub PoCmsterusky/WinboxExploit
    First seen Sep 11, 2018

    C# implementation of BasuCert/WinboxPoC [Winbox Critical Vulnerability (CVE-2018-14847)]

    Open source ↗
  • Metasploitauxiliary/gather/mikrotik_winbox_fileread✓ verified
    First seen Aug 2, 2018

    Mikrotik Winbox Arbitrary File Read

    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2018-14847?
CVE-2018-14847 is a critical vulnerability published on August 2, 2018. MikroTik RouterOS through 6.42 allows unauthenticated remote attackers to read arbitrary files and remote authenticated attackers to write arbitrary files due to a directory traversal vulnerability in the WinBox interface.
When was CVE-2018-14847 disclosed?
CVE-2018-14847 was first published in the National Vulnerability Database on August 2, 2018, with the most recent update on November 7, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-14847 actively exploited?
Yes. CISA added CVE-2018-14847 to the Known Exploited Vulnerabilities catalog on December 1, 2021, affecting MikroTik RouterOS. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2018-14847?
CVE-2018-14847 has a CVSS v3 base score of 9.1 (NVD).
Which products are affected by CVE-2018-14847?
CVE-2018-14847 affects MikroTik RouterOS. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2018-14847?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-14847, 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.

Dependency Blast Radius

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