CVE-2026-12489

MediumCVSS 6.5/10Last modified Nov 3, 2026

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.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-863

Affected software

Vendor	Product	Versions
Zyxel	EX3501-T0 firmware	<= 5.44(ACHR.6)C0

References

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-incorrect-authorization-vulnerability-in-the-dal-of-certain-5g-nr-cpe-dsl-ethernet-cpe-fiber-onts-and-wireless-extenders-10-20-2026

Timeline

Published: Oct 20, 2026
Last modified: Nov 3, 2026
NVD status: Deferred

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