Vulnerability Monitor

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CVE-2019-3943

MikroTik RouterOS versions Stable 6.43.12 and below, Long-term 6.42.12 and below, and Testing 6.44beta75 and below are vulnerable to an authenticated, remote directory traversal via the HTTP or Winbox interfaces. An authenticated, remote attack can use this vulnerability to read and write files outside of the sandbox directory (/rw/disk).

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 8.1, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction requiring only low-level privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), for affected systems. Impacting 1 product from mikrotik organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2019, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2019-04-10T21:29:01.823

Last Modified

2024-11-21T04:42:54.907

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 8.1 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:C/I:P/A:N

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: SINGLE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: PARTIAL
  • Availability Impact: NONE
Exploitability Score

8.0

Impact Score

7.8

Weaknesses
  • Type: Secondary
    CWE-23
  • Type: Primary
    CWE-22
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System mikrotik routeros ≤ 6.42.12 Yes
Operating System mikrotik routeros ≤ 6.43.12 Yes
Operating System mikrotik routeros 6.41 Yes
Operating System mikrotik routeros 6.41 Yes
Operating System mikrotik routeros 6.41 Yes
Operating System mikrotik routeros 6.41 Yes
Operating System mikrotik routeros 6.41 Yes
Operating System mikrotik routeros 6.41 Yes
Operating System mikrotik routeros 6.41 Yes
Operating System mikrotik routeros 6.41 Yes
Operating System mikrotik routeros 6.41 Yes
Operating System mikrotik routeros 6.41 Yes
Operating System mikrotik routeros 6.41 Yes
Operating System mikrotik routeros 6.41 Yes
Operating System mikrotik routeros 6.42 Yes
Operating System mikrotik routeros 6.42 Yes
Operating System mikrotik routeros 6.42 Yes
Operating System mikrotik routeros 6.42 Yes
Operating System mikrotik routeros 6.42 Yes
Operating System mikrotik routeros 6.42 Yes
Operating System mikrotik routeros 6.42 Yes
Operating System mikrotik routeros 6.42 Yes
Operating System mikrotik routeros 6.42 Yes
Operating System mikrotik routeros 6.42 Yes
Operating System mikrotik routeros 6.42 Yes
Operating System mikrotik routeros 6.42 Yes
Operating System mikrotik routeros 6.42 Yes
Operating System mikrotik routeros 6.42 Yes
Operating System mikrotik routeros 6.42 Yes
Operating System mikrotik routeros 6.42 Yes
Operating System mikrotik routeros 6.42 Yes
Operating System mikrotik routeros 6.42 Yes
Operating System mikrotik routeros 6.42 Yes
Operating System mikrotik routeros 6.42 Yes
Operating System mikrotik routeros 6.42 Yes
Operating System mikrotik routeros 6.42 Yes
Operating System mikrotik routeros 6.42 Yes
Operating System mikrotik routeros 6.42 Yes
Operating System mikrotik routeros 6.42 Yes
Operating System mikrotik routeros 6.43 Yes
Operating System mikrotik routeros 6.43 Yes
Operating System mikrotik routeros 6.43 Yes
Operating System mikrotik routeros 6.43 Yes
Operating System mikrotik routeros 6.43 Yes
Operating System mikrotik routeros 6.43 Yes
Operating System mikrotik routeros 6.43 Yes
Operating System mikrotik routeros 6.43 Yes
Operating System mikrotik routeros 6.43 Yes
Operating System mikrotik routeros 6.43 Yes
Operating System mikrotik routeros 6.43 Yes
Operating System mikrotik routeros 6.43 Yes
Operating System mikrotik routeros 6.43 Yes
Operating System mikrotik routeros 6.43 Yes
Operating System mikrotik routeros 6.43 Yes
Operating System mikrotik routeros 6.43 Yes
Operating System mikrotik routeros 6.43 Yes
Operating System mikrotik routeros 6.43 Yes
Operating System mikrotik routeros 6.43 Yes
Operating System mikrotik routeros 6.43 Yes
Operating System mikrotik routeros 6.43 Yes
Operating System mikrotik routeros 6.43 Yes
Operating System mikrotik routeros 6.43 Yes
Operating System mikrotik routeros 6.43 Yes
Operating System mikrotik routeros 6.44 Yes
Operating System mikrotik routeros 6.44 Yes
Operating System mikrotik routeros 6.44 Yes
Operating System mikrotik routeros 6.44 Yes
Operating System mikrotik routeros 6.44 Yes
Operating System mikrotik routeros 6.44 Yes
Operating System mikrotik routeros 6.44 Yes
Operating System mikrotik routeros 6.44 Yes
Operating System mikrotik routeros 6.44 Yes
Operating System mikrotik routeros 6.44 Yes
Operating System mikrotik routeros 6.44 Yes
Operating System mikrotik routeros 6.44 Yes
References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For mikrotik's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.