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CVE-2019-3978

High

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

SeverityHigh
CVSS7.5
Exploit probability—
ProductMikrotik Routeros
PublishedOct 29, 2019
First seenOct 29, 2019
Weakness typeCWE-306Missing authentication for critical function

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
mikrotik routerosv ≤ 6.44.5, v ≤ 6.45.6—

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