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.
2025-04-22T03:15:21.337
2025-10-30T17:56:11.717
Analyzed
CVSSv3.1: 6.7 (MEDIUM)
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Operating System | zyxel | uos | 1.31 | Yes |
| Hardware | zyxel | usg_flex_100h | - | No |
| Hardware | zyxel | usg_flex_100hp | - | No |
| Hardware | zyxel | usg_flex_200h | - | No |
| Hardware | zyxel | usg_flex_200hp | - | No |
| Hardware | zyxel | usg_flex_500h | - | No |
| Hardware | zyxel | usg_flex_50h | - | No |
| Hardware | zyxel | usg_flex_50hp | - | No |
| Hardware | zyxel | usg_flex_700h | - | No |