What’s Vulnerable › Vulnerabilities

CVE-2020-22844

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-02-28 · updated 2026-06-17
• Weakness: CWE-401

Description

A buffer overflow in Mikrotik RouterOS 6.47 allows unauthenticated attackers to cause a denial of service (DOS) via crafted SMB requests.

Affected products

• MikroTik RouterOS: 6.47

References

• https://github.com/colorlight/mikrotik_poc/blob/master/two_vulns.md
• https://mikrotik.com/support
• https://github.com/colorlight/mikrotik_poc/blob/master/two_vulns.md
• https://mikrotik.com/support

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