What is GHSA-326c-f2r3-76jm?

GHSA-326c-f2r3-76jm is a security advisory published by GitHub Security Advisories with High severity. MikroTik RouterBOARD v6.39.2 and v6.40.5 allows an unauthenticated remote attacker to cause a...

Which CVE IDs does GHSA-326c-f2r3-76jm cover?

GHSA-326c-f2r3-76jm covers the following CVE IDs: CVE-2017-17537. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-326c-f2r3-76jm?

GHSA-326c-f2r3-76jm has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

GHSA-326c-f2r3-76jmHighCVSS 7.5

MikroTik RouterBOARD v6.39.2 and v6.40.5 allows an unauthenticated remote attacker to cause a...

Vendor

GitHub Security Advisories

Published

May 14, 2022

Last Modified

September 16, 2026

🔗 CVE IDs covered (1)

CVE-2017-17537 →

📋 Description

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.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2017-17537
https://www.exploit-db.com/exploits/43200
https://packetstorm.news/files/id/145382
https://github.com/advisories/GHSA-326c-f2r3-76jm