What’s Vulnerable › Vulnerabilities

CVE-2017-17537

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-12-13 · updated 2026-09-16
• Weakness: CWE-20

Description

MikroTik RouterBOARD v6.39.2 and v6.40.5 allows an unauthenticated remote attacker to cause a denial of service by connecting to TCP port 53 and sending data that begins with many '\0' characters, possibly related to DNS.

Affected products

• MikroTik Routerboard: 6.39.2, 6.40.5

References

• https://packetstorm.news/files/id/145382
• https://www.exploit-db.com/exploits/43200/
• https://www.exploit-db.com/exploits/43200/

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