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CVE-2023-6764

Published: Feb 20, 2024Updated: Jan 21, 2025 Sources: CVE List NVD BDUCWE-134
8.1HIGH
NVD MITRE
EPSS Score
0.9%
Top 45.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-134

Affected Products

Zyxel Communications Corp.
commercial·TWaka zyxel
atp100 firmware
Networking Infrastructure
atp100w firmware
Networking Infrastructure
atp200 firmware
Networking Infrastructure
atp500 firmware
Networking Infrastructure
atp700 firmware
Networking Infrastructure
atp800 firmware
Networking Infrastructure
usg flex 100 firmware
Networking Infrastructure
usg flex 100ax firmware
Networking Infrastructure
and 21 more affected products View all →

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Execution
View detailed technique mapping

References

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps-02-20-2024
zyxel.com
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps-02-21-2024
zyxel.com
https://vuldb.com/ru/?id.254121
vuldb.com
News mentions
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