CVE-2025-1732: Medium severity Zyxel USG FLEX H series uOS firmware vulnerability

Published Apr 22, 2025
·
Updated

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.

Affected Software

10 affected components
Zyxel USG FLEX H series uOS firmware<=V1.31
All of the following
Zyxel uOS=1.31
Any of the following
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

Event History

Apr 22, 2025
CVE Published
via MITRE·01:57 AM
Data Sourced
via MITRE·01:57 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·03:15 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-1732?

CVE-2025-1732 has a high severity due to its potential for privilege escalation by an authenticated attacker.

2

How do I fix CVE-2025-1732?

To fix CVE-2025-1732, update the USG FLEX H series uOS firmware to a version later than V1.31.

3

Who is affected by CVE-2025-1732?

CVE-2025-1732 affects users of the USG FLEX H series uOS firmware version V1.31 and earlier.

4

What type of attack does CVE-2025-1732 enable?

CVE-2025-1732 enables an authenticated local attacker to escalate privileges by uploading a crafted configuration file.

5

What is the impact of CVE-2025-1732?

The impact of CVE-2025-1732 is that it allows an attacker with administrator access to compromise the device's security.

Contact

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