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Critical severity9.8NVD Advisory· Published Sep 6, 2022· Updated Jun 17, 2026

CVE-2022-34747

CVE-2022-34747

Description

A format string vulnerability in Zyxel NAS326 firmware versions prior to V5.21(AAZF.12)C0 could allow an attacker to achieve unauthorized remote code execution via a crafted UDP packet.

Affected products

3
  • Zyxel/Nas326 Firmware2 versions
    cpe:2.3:o:zyxel:nas326_firmware:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:zyxel:nas326_firmware:*:*:*:*:*:*:*:*range: <5.21\(aazf.12\)c0
    • (no CPE)range: < V5.21(AAZF.12)C0
  • Zyxel/NAS326llm-fuzzy
    Range: <V5.21(AAZF.12)C0

Patches

Vulnerability mechanics

References

1

News mentions

0

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