CVE-2025-1731

CVSS 7.8 HIGHEPSS 0.9%CWE-732

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7.8EPSS 0.9%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

22 Apr 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

An incorrect permission assignment vulnerability in the PostgreSQL commands of the Zyxel USG FLEX H series uOS firmware versions from V1.20 through V1.31 could allow an authenticated local attacker with low privileges to gain access to the Linux shell and escalate their privileges by crafting malicious scripts or modifying system configurations with administrator-level access through a stolen token. Modifying the system configuration is only possible if the administrator has not logged out and the token remains valid.

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

Affected products

Zyxel · USG FLEX H series uOS firmware

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References

http://seclists.org/fulldisclosure/2025/Apr/27 https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-incorrect-permission-assignment-and-improper-privilege-management-vulnerabilities-in-usg-flex-h-series-firewalls-04-22-2025