Description
ZyXEL Prestige routers, including P-660, P-661, and P-662 models with firmware 3.40(PE9) and 3.40(AGD.2) through 3.40(AHQ.3), support authentication over HTTP via a hash string in the hiddenPassword field, which allows remote attackers to obtain access via a replay attack.
Affected products
- Zyxel / prestige_660h-d1 – h-d1
- Zyxel / prestige_660h-d3 – h-d3
- Zyxel / prestige_661hw-d1 – hw-d1
- Zyxel / zynos3.40 – 3.40
- Zyxel / zynos3.40 – 3.40
- Zyxel / zynos3.40 – 3.40
- Zyxel / zynos3.40 – 3.40
- Zyxel / zynos3.40 – 3.40
- Zyxel / zynos3.40 – 3.40