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Unrated severityNVD Advisory· Published Feb 20, 2024· Updated Aug 2, 2024

CVE-2023-6764

CVE-2023-6764

Description

A format string vulnerability in a function of the IPSec VPN feature in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1, USG FLEX series firmware versions from 4.50 through 5.37 Patch 1, USG FLEX 50(W) series firmware versions from 4.16 through 5.37 Patch 1, and USG20(W)-VPN series firmware versions from 4.16 through 5.37 Patch 1 could allow an attacker to achieve unauthorized remote code execution by sending a sequence of specially crafted payloads containing an invalid pointer; however, such an attack would require detailed knowledge of an affected device’s memory layout and configuration.

AI Insight

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

Affected products

7
  • Zyxel/ATP seriesllm-fuzzy2 versions
    4.32 through 5.37 Patch 1+ 1 more
    • (no CPE)range: 4.32 through 5.37 Patch 1
    • (no CPE)range: version 4.32 through 5.37 Patch 1
  • Zyxel/USG FLEX seriesllm-fuzzy3 versions
    4.50 through 5.37 Patch 1+ 2 more
    • (no CPE)range: 4.50 through 5.37 Patch 1
    • (no CPE)range: version 4.16 through 5.37 Patch 1
    • (no CPE)range: version 4.50 through 5.37 Patch 1
  • Zyxel/USG20(W)-VPN seriesllm-fuzzy2 versions
    4.16 through 5.37 Patch 1+ 1 more
    • (no CPE)range: 4.16 through 5.37 Patch 1
    • (no CPE)range: version 4.16 through 5.37 Patch 1

Patches

Vulnerability mechanics

References

1

News mentions

0

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