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

criticalknown exploitedpublic exploitCVE-2018-14847
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
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.

CSIRTS triage

vendor: MikroTikproduct: RouterOSPath traversalaffected: through 6.42
What
A directory traversal vulnerability allows unauthenticated remote attackers to read arbitrary files.
Who is affected
Deployments of MikroTik RouterOS through version 6.42.
Urgency
Remediation is critical due to active exploitation and the severity of the vulnerability.
Action
Upgrade to MikroTik RouterOS version 6.43 or later.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2021-12-01
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2018-14847

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2018-14847coverage & exploitation statusNVD · CVE.org

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