MikroTik Router OS Directory Traversal Vulnerability (CVE-2018-14847)
Severity: critical · Patch status: patched · Since 2021-12-01 · CVE-2018-14847
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. CISA added CVE-2018-14847 to its Known Exploited Vulnerabilities catalog on Dec 1, 2021, which means attackers are exploiting it in the wild.
What to do
- Apply updates per vendor instructions.
- US federal agencies must remediate by Jun 1, 2022 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch