CVE-2023-5650

MEDIUM

Zyxel ZLD 4.32-5.37 - Authenticated Privilege Escalation via ZySH Registration Page URL Modification

Title source: llm

Description

An improper privilege management vulnerability in the ZySH 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 modify the URL of the registration page in the web GUI of an affected device.

References (1)

Core 1

Core References

Vendor Advisory vendor-advisory

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps

Scores

CVSS v3 5.5

EPSS 0.0002

EPSS Percentile 6.3%

Attack Vector LOCAL

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

Details

CWE

CWE-269

Status published

Products (1)

zyxel/zld 4.32 - 5.37

Published Nov 28, 2023

Tracked Since Feb 18, 2026