Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2025-1732

Severity CVSS v4.0:
Pending analysis
Type:
CWE-269 Improper Privilege Management
Publication date:
22/04/2025
Last modified:
30/10/2025

Description

An improper privilege management vulnerability in the recovery function of the Zyxel USG FLEX H series uOS firmware version V1.31 and earlier could allow an authenticated local attacker with administrator privileges to upload a crafted configuration file and escalate privileges on a vulnerable device.

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 6.70 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
6.70
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:zyxel:uos:1.31:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:usg_flex_100h:-:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:usg_flex_100hp:-:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:usg_flex_200h:-:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:usg_flex_200hp:-:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:usg_flex_500h:-:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:usg_flex_50h:-:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:usg_flex_50hp:-:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:usg_flex_700h:-:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools