The vulnerability of the microprogramming software for ZyXEL USG FLEX H devices arises from the improper assignment of permissions to critical resources, allowing attackers to enhance their privileges.
🗓️ 10 Oct 2025 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 6 Views
| Reporter | Title | Published | Views | Family All 13 |
|---|---|---|---|---|
 | CVE-2025-1731 | 22 Apr 202503:02 | – | circl |
 | Zyxel USG FLEX 安全漏洞 | 22 Apr 202500:00 | – | cnnvd |
 | CVE-2025-1731 | 22 Apr 202501:52 | – | cve |
 | CVE-2025-1731 | 22 Apr 202501:52 | – | cvelist |
 | Zyxel USG FLEX H series uOS 1.31 - Privilege Escalation | 18 May 202500:00 | – | exploitdb |
 | EUVD-2025-12140 | 3 Oct 202520:07 | – | euvd |
 | CVE-2025-1731 | 22 Apr 202503:15 | – | nvd |
 | CVE-2025-1731 | 22 Apr 202503:15 | – | osv |
 | 📄 Zyxel uOS 1.31 Privilege Escalation | 23 Apr 202500:00 | – | packetstorm |
 | PT-2025-17479 · Unknown · Usg Flex H Series +1 | 22 Apr 202500:00 | – | ptsecurity |
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10 Oct 2025 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 26.8
CVSS 37.8
EPSS0.00938