CVE-2022-40603: XSS
First published: Tue Dec 06 2022(Updated: )
A cross-site scripting (XSS) vulnerability in the CGI program of Zyxel ZyWALL/USG series firmware versions 4.30 through 4.72, VPN series firmware versions 4.30 through 5.31, USG FLEX series firmware versions 4.50 through 5.31, and ATP series firmware versions 4.32 through 5.31, which could allow an attacker to trick a user into visiting a crafted URL with the XSS payload. Then, the attacker could gain access to some browser-based information if the malicious script is executed on the victim’s browser.
Credit: security@zyxel.com.tw
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Zyxel Zywall ATP800 Firmware | >=4.32<=5.31 | |
| Zyxel Zywall ATP800 Firmware | ||
| Zyxel Zywall ATP700 | >=4.32<=5.31 | |
| Zyxel ATP700 Firmware | ||
| Zyxel ATP500 Firmware | >=4.32<=5.31 | |
| Zyxel ATP500 Firmware | ||
| Zyxel ATP200 firmware | >=4.32<=5.31 | |
| Zyxel Zywall ATP200 | ||
| Zyxel ZyWall ATP100 Firmware | >=4.32<=5.31 | |
| Zyxel ATP100 Firmware | ||
| Zyxel ATP100W Firmware | >=4.32<=5.31 | |
| Zyxel ATP100W Firmware | ||
| Zyxel USG FLEX 100w firmware | >=4.50<=5.31 | |
| Zyxel USG FLEX 100w firmware | ||
| Zyxel USG FLEX firmware | >=4.50<=5.31 | |
| Zyxel USG FLEX 200 firmware | ||
| Zyxel USG FLEX firmware | >=4.50<=5.31 | |
| Zyxel USG FLEX 500 firmware | ||
| Zyxel USG FLEX firmware | >=4.50<=5.31 | |
| Zyxel USG FLEX 700 firmware | ||
| Zyxel USG FLEX 50w | >=4.50<=5.31 | |
| Zyxel USG FLEX 50(W) series firmware | ||
| Zyxel VPN1000 Firmware | >=4.30<=5.31 | |
| Zyxel VPN1000 Firmware | ||
| Zyxel Zywall VPN 300 Firmware | >=4.30<=5.31 | |
| Zyxel Zywall VPN300 | ||
| Zyxel VPN100 | >=4.30<=5.31 | |
| Zyxel Zywall VPN100 | ||
| Zyxel Zywall VPN 50 Firmware | >=4.30<=5.31 | |
| Zyxel VPN50 Firmware | ||
| Zyxel USG 40 firmware | >=4.30<=4.72 | |
| Zyxel USG 40 | ||
| Zyxel USG 40w firmware | >=4.30<=4.72 | |
| Zyxel USG 40w firmware | ||
| Zyxel USG60 Firmware | >=4.30<=4.72 | |
| Zyxel USG 60 | ||
| Zyxel USG 60W firmware | >=4.30<=4.72 | |
| Zyxel USG 60W firmware |
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Reference Links
Frequently Asked Questions
What is CVE-2022-40603?
CVE-2022-40603 is a cross-site scripting (XSS) vulnerability in the CGI program of Zyxel ZyWALL/USG series firmware.
Which Zyxel products are affected by CVE-2022-40603?
Zyxel ZyWALL/USG series firmware versions 4.30 through 4.72, VPN series firmware versions 4.30 through 5.31, USG FLEX series firmware versions 4.50 through 5.31, and ATP series firmware versions 4.32 through 5.31 are affected.
What is the severity of CVE-2022-40603?
CVE-2022-40603 has a severity level of 6.1 (medium).
How can I fix CVE-2022-40603?
Update the affected firmware versions to the latest ones provided by Zyxel.
Where can I find more information about CVE-2022-40603?
You can find more information about CVE-2022-40603 on Zyxel's official security advisories page: https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-xss-vulnerability-in-firewalls
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/author
- agent/weakness
- agent/last-modified-date
- agent/severity
- agent/description
- agent/first-publish-date
- agent/event
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- agent/softwarecombine
- vendor/zyxel
- canonical/zyxel zywall atp800 firmware
- version/zyxel zywall atp800 firmware/4.32
- version/zyxel zywall atp800 firmware/5.31
- canonical/zyxel zywall atp700
- version/zyxel zywall atp700/4.32
- version/zyxel zywall atp700/5.31
- canonical/zyxel atp700 firmware
- canonical/zyxel atp500 firmware
- version/zyxel atp500 firmware/4.32
- version/zyxel atp500 firmware/5.31
- canonical/zyxel atp200 firmware
- version/zyxel atp200 firmware/4.32
- version/zyxel atp200 firmware/5.31
- canonical/zyxel zywall atp200
- canonical/zyxel zywall atp100 firmware
- version/zyxel zywall atp100 firmware/4.32
- version/zyxel zywall atp100 firmware/5.31
- canonical/zyxel atp100 firmware
- canonical/zyxel atp100w firmware
- version/zyxel atp100w firmware/4.32
- version/zyxel atp100w firmware/5.31
- canonical/zyxel usg flex 100w firmware
- version/zyxel usg flex 100w firmware/4.50
- version/zyxel usg flex 100w firmware/5.31
- canonical/zyxel usg flex firmware
- version/zyxel usg flex firmware/4.50
- version/zyxel usg flex firmware/5.31
- canonical/zyxel usg flex 200 firmware
- canonical/zyxel usg flex 500 firmware
- canonical/zyxel usg flex 700 firmware
- canonical/zyxel usg flex 50w
- version/zyxel usg flex 50w/4.50
- version/zyxel usg flex 50w/5.31
- canonical/zyxel usg flex 50(w) series firmware
- canonical/zyxel vpn1000 firmware
- version/zyxel vpn1000 firmware/4.30
- version/zyxel vpn1000 firmware/5.31
- canonical/zyxel zywall vpn 300 firmware
- version/zyxel zywall vpn 300 firmware/4.30
- version/zyxel zywall vpn 300 firmware/5.31
- canonical/zyxel zywall vpn300
- canonical/zyxel vpn100
- version/zyxel vpn100/4.30
- version/zyxel vpn100/5.31
- canonical/zyxel zywall vpn100
- canonical/zyxel zywall vpn 50 firmware
- version/zyxel zywall vpn 50 firmware/4.30
- version/zyxel zywall vpn 50 firmware/5.31
- canonical/zyxel vpn50 firmware
- canonical/zyxel usg 40 firmware
- version/zyxel usg 40 firmware/4.30
- version/zyxel usg 40 firmware/4.72
- canonical/zyxel usg 40
- canonical/zyxel usg 40w firmware
- version/zyxel usg 40w firmware/4.30
- version/zyxel usg 40w firmware/4.72
- canonical/zyxel usg60 firmware
- version/zyxel usg60 firmware/4.30
- version/zyxel usg60 firmware/4.72
- canonical/zyxel usg 60
- canonical/zyxel usg 60w firmware
- version/zyxel usg 60w firmware/4.30
- version/zyxel usg 60w firmware/4.72