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

Affected

MikroTik RouterOS

CVSS v3.1 NVD

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

CVSS v2.0 NVD

5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N

EPSS

10.27% chance of exploitation in the next 30 days, 96th percentile

Published

2019-10-28

Updated

2024-08-04

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/47566

Security advisories

• http://packetstormsecurity.com/files/155036/MikroTik-RouterOS-6.45.6-DNS-Cache-Poisoning…
• https://www.tenable.com/security/research/tra-2019-46

References

• CVE Record
• NVD entry