CVE-2022-30526: High severity zyxel usg flex 100w firmware vulnerability

Q: What is the vulnerability ID?

The vulnerability ID is CVE-2022-30526.

Q: What is the severity of CVE-2022-30526?

The severity of CVE-2022-30526 is high with a score of 7.8.

Q: Which Zyxel products are affected by CVE-2022-30526?

Zyxel USG FLEX 100(W), USG FLEX 200, USG FLEX 500, USG FLEX 700, and USG FLEX 50(W) firmware versions 4.50 through 5.30 are affected.

Q: How can I fix CVE-2022-30526?

Apply the latest firmware update provided by Zyxel to fix CVE-2022-30526.

Q: Where can I find more information about CVE-2022-30526?

You can find more information about CVE-2022-30526 on the Zyxel website and Packet Storm Security.

Published Jul 19, 2022

Updated

A privilege escalation vulnerability was identified in the CLI command of Zyxel USG FLEX 100(W) firmware versions 4.50 through 5.30, USG FLEX 200 firmware versions 4.50 through 5.30, USG FLEX 500 firmware versions 4.50 through 5.30, USG FLEX 700 firmware versions 4.50 through 5.30, USG FLEX 50(W) firmware versions 4.16 through 5.30, USG20(W)-VPN firmware versions 4.16 through 5.30, ATP series firmware versions 4.32 through 5.30, VPN series firmware versions 4.30 through 5.30, USG/ZyWALL series firmware versions 4.09 through 4.72, which could allow a local attacker to execute some OS commands with root privileges in some directories on a vulnerable device.

Affected Software

50 affected components

Zyxel Usg Flex 100w Firmware>=4.50<=5.30

Zyxel Usg Flex 100w

Zyxel USG FLEX 200 firmware>=4.50<=5.30

Zyxel USG FLEX 200

Zyxel USG FLEX 500 firmware>=4.50<=5.30

Zyxel USG FLEX 500

Zyxel USG FLEX 700 firmware>=4.50<=5.30

Zyxel USG FLEX 700

Zyxel Usg Flex 50w Firmware>=4.16<=5.30

Zyxel Usg Flex 50w

Zyxel Usg20w-vpn Firmware>=4.16<=5.30

Zyxel USG20W-VPN

Zyxel Atp800 Firmware>=4.32<=5.30

Zyxel ATP800

Zyxel Atp700 Firmware>=4.32<=5.30

Zyxel Atp700

Zyxel Atp500 Firmware>=4.32<=5.30

Zyxel ATP500

Zyxel Atp200 Firmware>=4.32<=5.30

Zyxel ATP200

Zyxel Atp100w Firmware>=4.32<=5.30

Zyxel Atp100w

Zyxel Atp100 Firmware>=4.32<=5.30

Zyxel Atp100

Zyxel Vpn1000 Firmware>=4.30<=5.30

Zyxel Vpn1000

Zyxel Vpn300 Firmware>=4.30<=5.30

Zyxel Vpn300

Zyxel Vpn100 Firmware>=4.30<=5.30

Zyxel Vpn100

Zyxel Vpn50 Firmware>=4.30<=5.30

Zyxel Vpn50

Zyxel Usg20-vpn Firmware>=4.30<=5.30

Zyxel USG20-VPN

Zyxel Usg 2200-vpn Firmware>=4.30<=5.30

Zyxel Usg 2200-vpn

Zyxel Zywall 110 Firmware>=4.30<=5.30

Zyxel ZyWALL 110

Zyxel Zywall 310 Firmware>=4.30<=5.30

Zyxel ZyWALL 310

Zyxel Zywall 1100 Firmware>=4.30<=5.30

Zyxel ZyWALL 1100

Zyxel Usg40 Firmware>=4.09<=4.72

Zyxel USG40

Zyxel Usg40w Firmware>=4.09<=4.72

Zyxel USG40W

Zyxel Usg60 Firmware>=4.09<=4.72

Zyxel USG60

Zyxel Usg60w Firmware>=4.09<=4.72

Zyxel USG60W

Event History

Jul 19, 2022

CVE Published

via MITRE·05:45 AM

Data Sourced

via MITRE·05:45 AM

DescriptionSeverityWeakness

Frequently Asked Questions

What is the vulnerability ID?

The vulnerability ID is CVE-2022-30526.

What is the severity of CVE-2022-30526?

The severity of CVE-2022-30526 is high with a score of 7.8.

Which Zyxel products are affected by CVE-2022-30526?

Zyxel USG FLEX 100(W), USG FLEX 200, USG FLEX 500, USG FLEX 700, and USG FLEX 50(W) firmware versions 4.50 through 5.30 are affected.

How can I fix CVE-2022-30526?

Apply the latest firmware update provided by Zyxel to fix CVE-2022-30526.

Where can I find more information about CVE-2022-30526?