CVE-2023-6764 - CVE House
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Status published High CVE-2023-6764

A format string vulnerability in a function of the IPSec...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

ATP series firmware, USG FLEX series firmware, USG FLEX 50(W) series firmware, USG20(W)-VPN series firmware
Vulnerable Versions:
version 4.32 through 5.37 Patch 1, version 4.50 through 5.37 Patch 1, version 4.16 through 5.37 Patch 1

Timeline

Official Publish: February 20th, 2024
Last Modified: August 2nd, 2024
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-134

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.