Resource exhaustion in Mikrotik Routeros

CVE-2017-8338

A vulnerability in MikroTik Version 6.38.5 could allow an unauthenticated remote attacker to exhaust all available CPU via a flood of UDP packets on port 500 (used for L2TP over IPsec), preventing the affected router from accepting new con…

Vulnerability class: DoS (Denial of Service)

EPSS: 0.029 (86.6th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-8338?
CVE-2017-8338 is a high-severity vulnerability in Mikrotik Routeros, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2017-05-18.
How severe is CVE-2017-8338?
High severity. CVSS v3 base score is 7.5 out of 10.