Resource exhaustion in Mikrotik Routeros

CVE-2018-1157

Mikrotik RouterOS before 6.42.7 and 6.40.9 is vulnerable to a memory exhaustion vulnerability. An authenticated remote attacker can crash the HTTP server and in some circumstances reboot the system via a crafted HTTP POST request.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.044 (90.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-1157?
CVE-2018-1157 is a medium-severity vulnerability in Mikrotik Routeros, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2018-08-23.
How severe is CVE-2018-1157?
Medium severity. CVSS v3 base score is 6.5 out of 10.