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Critical severity9.8NVD Advisory· Published Jun 23, 2021· Updated Jun 17, 2026

CVE-2021-27649

CVE-2021-27649

Description

Use after free vulnerability in file transfer protocol component in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote attackers to execute arbitrary code via unspecified vectors.

AI Insight

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

Affected products

4
  • Synology/Diskstation Manager3 versions
    cpe:2.3:o:synology:diskstation_manager:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:synology:diskstation_manager:*:*:*:*:*:*:*:*range: >=6.2,<6.2.3-25426-3
    • (no CPE)range: <6.2.3-25426-3
    • (no CPE)range: unspecified
  • Synology/Diskstation Manager Unified Controller
    cpe:2.3:o:synology:diskstation_manager_unified_controller:*:*:*:*:*:*:*:*
    Range: <3.1-23033

Patches

Vulnerability mechanics

References

1

News mentions

0

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