CVSS 3.1 Score 8.1 of 10 (high)


Published Feb 20, 2024
CWE ID 134


CVE-2023-6764 is a format string vulnerability found in the IPSec VPN feature of Zyxel ATP series firmware versions 4.32 through 5.37 Patch 1, USG FLEX series firmware versions 4.50 through 5.37 Patch 1, USG FLEX 50(W) series firmware versions 4.16 through 5.37 Patch 1, and USG20(W)-VPN series firmware versions 4.16 through 5.37 Patch 1. Exploiting this vulnerability would require detailed knowledge of the targeted device's memory layout and configuration, as it allows an attacker to achieve unauthorized remote code execution by sending specially crafted payloads containing an invalid pointer. The risk score is rated at 27, with a base severity of HIGH and a base score of 8.1 according to CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H vector string provided by [email protected]. It poses a significant danger to organizations as it can lead to unauthorized access and potential compromise of sensitive data or network resources.


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