Medium6.5MikroTik

RouterOS: Mikrotik RouterOs before stable 6.47 suffers from a memory corruption vulnerability in the resolver process.

CVE-2020-20249 Published Jul 19, 2021Updated by vendor Jun 17, 2026

CVE-2020-20249

Affected products & platforms

MikroTikUnclassified

Summary

Mikrotik RouterOs before stable 6.47 suffers from a memory corruption vulnerability in the resolver process. By sending a crafted packet, an authenticated remote attacker can cause a Denial of Service.

Affected versions

6.47

Official advisory · high-confidence parse· fetched 1 hour ago·verify at source

Mitigation

Mitigation steps weren't captured by the parser for this advisory — this is a parsing gap, not a statement that no fix exists. Read the vendor advisory below for the authoritative guidance.

Official advisory · high-confidence parse· fetched 1 hour ago·verify at source

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