Improper input validation in Mikrotik Routerboard

CVE-2017-17537

MikroTik RouterBOARD v6.39.2 and v6.40.5 allows an unauthenticated remote attacker to cause a denial of service by connecting to TCP port 53 and sending data that begins with many '\0' characters, possibly related to DNS.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.018 (76.9th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 76.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2017-17537: held from 0.016 to 0.018.

EPSS over last 30 days · oldest: 0.016 · newest: 0.018 · change: +0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-17537?
CVE-2017-17537 is a high-severity vulnerability in Mikrotik Routerboard, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2017-12-13.
How severe is CVE-2017-17537?
High severity. CVSS v3 base score is 7.5 out of 10.