CVSS v3
7.5
HIGH
EPSS Score
16.6 %
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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
Technical details
- Published
- 2019-10-29
- Exploit-DB
- EDB-47566
Frequently asked questions
What is CVE-2019-3978?
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
Is CVE-2019-3978 actively exploited?
Active exploitation of CVE-2019-3978 has not been confirmed. The EPSS score is 16.6%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2019-3978?
CVE-2019-3978 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2019-3978 affecting your environment?
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