Description
A command injection vulnerability in the access point (AP) management feature of the Zyxel ATP series firmware versions 5.00 through 5.36 Patch 2, USG FLEX series firmware versions 5.00 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 5.00 through 5.36 Patch 2, USG20(W)-VPN series firmware versions 5.00 through 5.36 Patch 2, VPN series firmware versions 5.00 through 5.36 Patch 2, NXC2500 firmware versions 6.10(AAIG.0) through 6.10(AAIG.3), and NXC5500 firmware versions 6.10(AAOS.0) through 6.10(AAOS.4), could allow an unauthenticated, LAN-based attacker to execute some OS commands on an affected device if the attacker could trick an authorized administrator to add their IP address to the managed AP list in advance.
CVSS breakdown
CVSS 3.1
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected products
- Zyxel / ATP series firmware5.00 through 5.36 Patch 2 – 5.00 through 5.36 Patch 2
- Zyxel / NXC2500 firmware6.10(AAIG.0) through 6.10(AAIG.3) – 6.10(AAIG.0) through 6.10(AAIG.3)
- Zyxel / NXC5500 firmware 6.10(AAOS.0) through 6.10(AAOS.4) – 6.10(AAOS.0) through 6.10(AAOS.4)
- Zyxel / USG20(W)-VPN series firmware5.00 through 5.36 Patch 2 – 5.00 through 5.36 Patch 2
- Zyxel / USG FLEX 50(W) series firmware5.00 through 5.36 Patch 2 – 5.00 through 5.36 Patch 2
- Zyxel / USG FLEX series firmware5.00 through 5.36 Patch 2 – 5.00 through 5.36 Patch 2
- Zyxel / VPN series firmware5.00 through 5.36 Patch 2 – 5.00 through 5.36 Patch 2