CVE-2025-1732 Privilege escalation in USG FLEX H series uOS firmware
An authenticated administrator can escalate privileges by uploading a crafted configuration file in the recovery function of Zyxel USG FLEX H devices.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-1732?
CVE-2025-1732 is a medium-severity vulnerability in Zyxel USG FLEX H series uOS firmware, published on 22 Apr 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-269
Which versions are affected by CVE-2025-1732?
It affects 1 product.
Products include Zyxel Uos.
How do I fix CVE-2025-1732?
No fix has been published for CVE-2025-1732 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-1732 being exploited?
There is no known exploitation of CVE-2025-1732 in the wild and no public exploit code.
Other vulnerabilities in Zyxel USG FLEX H series uOS firmware
Sources
Also known as GHSA-7wf3-pq8r-xwwq.