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CVE-2018-14847VulnerabilityAdded to KEV 12/01/2021

CVE-2018-14847: MikroTik Router OS Directory Traversal Vulnerability

Affects MikroTik RouterOSSource CISA KEV

0

Exploited in the wild · KEV due 1 Jun 2022 · public exploit available (Metasploit, Exploit-DB) · 95% EPSS : apply the vendor's fix or mitigations to MikroTik RouterOS now.

Data as of 10/24/2026, 22:15:59 UTC

CVSS 3.1 base score
9.1Critical
How severe the flaw is on the 0–10 CVSS scale.
Exploitation

Actively exploited – in CISA KEV since 12/01/2021

KEV deadline
06/01/2022 US federal agencies must patch by this date; a sensible deadline for everyone else.
EPSS
95.9% chance of exploitation in 30 days – higher than 99% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Public exploits
1 Metasploit module, 1 Exploit-DB entryPublic attack or detection tooling exists; see Public exploits below.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

What to do

CISA required action

Apply updates per vendor instructions.

Check the firmware or software version for MikroTik RouterOS in the device's admin interface against the vendor advisory.

Public exploits and detection

Public tooling indexed from Metasploit Framework, Exploit-DB and ProjectDiscovery nuclei-templates. Its existence raises the odds of exploitation; it does not confirm attacks.

Description

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.

Weaknesses

References

Community reviews

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