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CVE-2023-35136

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CVE-2023-35136

Published: Nov 28, 2023

Modified: Jun 5, 2025

PUBLISHED

CVSS v3.1

5.5

MEDIUM

Description

An improper input validation vulnerability in the “Quagga” package of the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50(W) series firmware versions 4.16 through 5.37, USG20(W)-VPN series firmware versions 4.16 through 5.37, and VPN series firmware versions 4.30 through 5.37, could allow an authenticated local attacker to access configuration files on an affected device.

VendorProductVersions

Zyxel

ATP series firmware

affected
versions 4.32 through 5.37

Zyxel

USG FLEX series firmware

affected
versions 4.50 through 5.37

Zyxel

USG FLEX 50(W) series firmware

affected
versions 4.16 through 5.37

Zyxel

USG20(W)-VPN series firmware

affected
versions 4.16 through 5.37

Zyxel

VPN series firmware

affected
versions 4.30 through 5.37

Weaknesses (CWE)

CWE-20

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

References

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