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High severity7.5NVD Advisory· Published Dec 13, 2017· Updated Jun 17, 2026

CVE-2017-17537

CVE-2017-17537

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.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Mikrotik/RouterBOARD3 versions
    cpe:2.3:o:mikrotik:routerboard:6.39.2:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:mikrotik:routerboard:6.39.2:*:*:*:*:*:*:*
    • cpe:2.3:o:mikrotik:routerboard:6.40.5:*:*:*:*:*:*:*
    • (no CPE)range: v6.39.2, v6.40.5

Patches

Vulnerability mechanics

References

1

News mentions

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