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High severity7.5NVD Advisory· Published Sep 14, 2020· Updated Jun 17, 2026

CVE-2020-11881

CVE-2020-11881

Description

An array index error in MikroTik RouterOS 6.41.3 through 6.46.5, and 7.x through 7.0 Beta5, allows an unauthenticated remote attacker to crash the SMB server via modified setup-request packets, aka SUP-12964.

AI Insight

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

Affected products

6
  • Mikrotik/Routeros5 versions
    cpe:2.3:o:mikrotik:routeros:*:*:*:*:*:*:*:*+ 4 more
    • cpe:2.3:o:mikrotik:routeros:*:*:*:*:*:*:*:*range: >=6.41.3,<=6.46.5
    • cpe:2.3:o:mikrotik:routeros:7.0:beta3:*:*:*:*:*:*
    • cpe:2.3:o:mikrotik:routeros:7.0:beta4:*:*:*:*:*:*
    • cpe:2.3:o:mikrotik:routeros:7.0:beta5:*:*:*:*:*:*
    • (no CPE)range: 6.41.3 - 6.46.5, 7.x - 7.0 Beta5
  • MikroTik/RouterOSdescription

Patches

Vulnerability mechanics

References

1

News mentions

0

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