CISA-confirmed known exploited vulnerability

CVE-2018-7445

MikroTik RouterOS Stack-Based Buffer Overflow Vulnerability

MikroTik · RouterOS

Vulnerability details

In MikroTik RouterOS, a stack-based buffer overflow occurs when processing NetBIOS session request messages. Remote attackers with access to the service can exploit this vulnerability and gain code execution on the system.

Added to CISA KEV: 2022-09-08

Ransomware campaign use: Unknown

CISA due date: 2022-09-29

Defensive guidance from CISA

Apply updates per vendor instructions.

This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.

Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC

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