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Status published
High
CVE-2019-3978
RouterOS versions 6.45.6 Stable, 6.44.5 Long-term, and below allow remote...
Vulnerability Description
RouterOS versions 6.45.6 Stable, 6.44.5 Long-term, and below allow remote unauthenticated attackers to trigger DNS queries via port 8291. The queries are sent from the router to a server of the attacker's choice. The DNS responses are cached by the router, potentially resulting in cache poisoning
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
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Affected Vendor
Affected Software
MikroTik RouterOS
Vulnerable Versions:
RouterOS 6.45.6 Stable and below. RouterOS 6.44.5 Long-term and below.
Timeline
Official Publish:
October 28th, 2019
Last Modified:
August 4th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N