Buffer overflow in Mikrotik Routeros

CVE-2018-7445

A buffer overflow was found in the MikroTik RouterOS SMB service when processing NetBIOS session request messages. Remote attackers with access to the service can exploit this vulnerability and gain code execution on the system. The overfl…

Vulnerability class: Buffer Overflow

EPSS: 0.610 (99.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: .

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-7445?
CVE-2018-7445 is a critical-severity vulnerability in Mikrotik Routeros, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2018-03-19.
How severe is CVE-2018-7445?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2018-7445 known to be exploited?
Yes. CVE-2018-7445 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-09-08), indicating it is being actively exploited. 7 public proof-of-concept repositories are indexed.