What’s Vulnerable › Vulnerabilities

CVE-2019-16160

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-10-07 · updated 2026-06-17
• Weakness: CWE-191

Description

An integer underflow in the SMB server of MikroTik RouterOS before 6.45.5 allows remote unauthenticated attackers to crash the service.

Affected products

• MikroTik RouterOS: before 6.45.5 — fixed in 6.45.5

How to fix

Upgrade to a fixed version: MikroTik RouterOS 6.45.5. Check the vendor advisory for mitigations.

References

• https://forum.mikrotik.com/viewtopic.php?t=151603
• https://gist.github.com/thebabush/3c71fc5001f8865e3ad579e80680ce24
• https://mikrotik.com
• https://forum.mikrotik.com/viewtopic.php?t=151603
• https://gist.github.com/thebabush/3c71fc5001f8865e3ad579e80680ce24
• https://mikrotik.com

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