An incorrect authorization vulnerability in the Data Access Layer (DAL) of Zyxel EX3501-T0 firmware versions through 5.44(ACHR.6)C0 could allow an authenticated attacker to escalate privileges by modifying the login_privilege data on an affected device.
History

Wed, 21 Oct 2026 04:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 20 Oct 2026 12:45:00 +0000

Type Values Removed Values Added
Title Incorrect Authorization in Zyxel EX3501‑T0 Firmware Enables Privilege Escalation

Tue, 20 Oct 2026 06:00:00 +0000

Type Values Removed Values Added
First Time appeared Zyxel
Zyxel ex3501-t0 Firmware
Vendors & Products Zyxel
Zyxel ex3501-t0 Firmware

Tue, 20 Oct 2026 02:30:00 +0000

Type Values Removed Values Added
Description An incorrect authorization vulnerability in the Data Access Layer (DAL) of Zyxel EX3501-T0 firmware versions through 5.44(ACHR.6)C0 could allow an authenticated attacker to escalate privileges by modifying the login_privilege data on an affected device.
Weaknesses CWE-863
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: Zyxel

Published: 2026-10-20T02:04:49.838Z

Updated: 2026-10-21T03:56:12.843Z

Reserved: 2026-06-17T03:45:11.296Z

Link: CVE-2026-12489

cve-icon Vulnrichment

Updated: 2026-10-20T19:18:02.745Z

cve-icon NVD

Status : Deferred

Published: 2026-10-20T03:17:15.077

Modified: 2026-10-21T04:18:10.297

Link: CVE-2026-12489

cve-icon Redhat

No data.