Zyxel Nas326 Firmware
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By the Year
In 2026 there have been 0 vulnerabilities in Zyxel Nas326 Firmware. Nas326 Firmware did not have any published security vulnerabilities last year.
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2026 | 0 | 0.00 |
| 2025 | 0 | 0.00 |
| 2024 | 0 | 0.00 |
| 2023 | 2 | 9.80 |
It may take a day or so for new Nas326 Firmware vulnerabilities to show up in the stats or in the list of recent security vulnerabilities. Additionally vulnerabilities may be tagged under a different product or component name.
Recent Zyxel Nas326 Firmware Security Vulnerabilities
Zyxel NAS326/NAS542 5.21 CmdInject via WebServer URL
CVE-2023-4473
9.8 - Critical
- November 30, 2023
A command injection vulnerability in the web server of the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0 could allow an unauthenticated attacker to execute some operating system (OS) commands by sending a crafted URL to a vulnerable device.
Shell injection
Zyxel NAS326/542 WSGI Command Injection via Malformed URL
CVE-2023-4474
9.8 - Critical
- November 30, 2023
The improper neutralization of special elements in the WSGI server of the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0 could allow an unauthenticated attacker to execute some operating system (OS) commands by sending a crafted URL to a vulnerable device.
Shell injection
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