Description
The improper neutralization of special elements in the parameter "host" in the CGI program of Zyxel NWA1123ACv3 firmware version 6.70(ABVT.4) and earlier, WAC500 firmware version 6.70(ABVS.4) and earlier, WAX655E firmware version 7.00(ACDO.1) and earlier, WBE530 firmware version 7.00(ACLE.1) and earlier, and USG LITE 60AX firmware version V2.00(ACIP.2) could allow an unauthenticated attacker to execute OS commands by sending a crafted cookie to a vulnerable device.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected products
- Zyxel / NWA1123ACv3 firmware<= 6.70(ABVT.4) – <= 6.70(ABVT.4)
- Zyxel / USG LITE 60AX firmwareV2.00(ACIP.2) – V2.00(ACIP.2)
- Zyxel / WAC500 firmware<= 6.70(ABVS.4) – <= 6.70(ABVS.4)
- Zyxel / WAX655E firmware<= 7.00(ACDO.1) – <= 7.00(ACDO.1)
- Zyxel / WBE530 firmware<= 7.00(ACLE.1) – <= 7.00(ACLE.1)