What is CVE-2018-1159?

CVE-2018-1159 is a medium-severity vulnerability in Mikrotik Routeros, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.5/10. Published 2018-08-23.

How severe is CVE-2018-1159?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Buffer overflow in Mikrotik Routeros

CVE-2018-1159

Mikrotik RouterOS before 6.42.7 and 6.40.9 is vulnerable to a memory corruption vulnerability. An authenticated remote attacker can crash the HTTP server by rapidly authenticating and disconnecting.

Vulnerability class: Buffer Overflow

EPSS: 0.025 (82.9th 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

Mikrotik Routeros
N/a — versions n/a

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

vulnreport@tenable.com (Exploit, Third Party Advisory, x_refsource_MISC)
vulnreport@tenable.com (x_refsource_CONFIRM, Vendor Advisory)
vulnreport@tenable.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2018-1159?: CVE-2018-1159 is a medium-severity vulnerability in Mikrotik Routeros, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.5/10. Published 2018-08-23.
How severe is CVE-2018-1159?: Medium severity. CVSS v3 base score is 6.5 out of 10.