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.
Advisories
Source ID Title
EUVD EUVD EUVD-2025-12335 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.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Thu, 30 Oct 2025 18:00:00 +0000

Type Values Removed Values Added
First Time appeared Zyxel
Zyxel uos
Zyxel usg Flex 100h
Zyxel usg Flex 100hp
Zyxel usg Flex 200h
Zyxel usg Flex 200hp
Zyxel usg Flex 500h
Zyxel usg Flex 50h
Zyxel usg Flex 50hp
Zyxel usg Flex 700h
CPEs 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:-:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:uos:1.31:*:*:*:*:*:*:*
Vendors & Products Zyxel
Zyxel uos
Zyxel usg Flex 100h
Zyxel usg Flex 100hp
Zyxel usg Flex 200h
Zyxel usg Flex 200hp
Zyxel usg Flex 500h
Zyxel usg Flex 50h
Zyxel usg Flex 50hp
Zyxel usg Flex 700h

Thu, 12 Jun 2025 07:15:00 +0000

Type Values Removed Values Added
Description An improper privilege management vulnerability in the recovery function of the 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. 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.

Tue, 22 Apr 2025 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Tue, 22 Apr 2025 02:30:00 +0000

Type Values Removed Values Added
Description An improper privilege management vulnerability in the recovery function of the 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.
Weaknesses CWE-269
References
Metrics cvssV3_1

{'score': 6.7, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: Zyxel

Published:

Updated: 2025-06-12T07:05:39.793Z

Reserved: 2025-02-27T03:13:45.776Z

Link: CVE-2025-1732

cve-icon Vulnrichment

Updated: 2025-04-22T13:32:56.702Z

cve-icon NVD

Status : Analyzed

Published: 2025-04-22T03:15:21.337

Modified: 2025-10-30T17:56:11.717

Link: CVE-2025-1732

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.