CVE-2019-3978

HighCVSS 7.5/10Last modified Jun 17, 2026

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

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-306

Affected software

No affected versions have been published.

Timeline

Published: Oct 29, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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