CVE-2025-1732

MEDIUM
Published Apr 22, 2025 Modified Oct 30, 2025 CWE-269

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.

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CVSS v3.1 Score

6.7
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-269 CWE-269

Affected Products

Vendor Product
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

References

Frequently Asked Questions

What is CVE-2025-1732? +
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. It has a CVSS v3.1 base score of 6.7 (MEDIUM).
How severe is CVE-2025-1732? +
CVE-2025-1732 has a CVSS v3.1 score of 6.7 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2025-1732? +
CVE-2025-1732 affects products from zyxel, specifically: uos, usg_flex_100h, usg_flex_100hp, usg_flex_200h, usg_flex_200hp, usg_flex_500h, usg_flex_50h, usg_flex_50hp, usg_flex_700h. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-1732? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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