SB2026022437 - OS Command Injection in Zyxel products
Published: February 24, 2026
Security Bulletin ID
SB2026022437
Severity
Low
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) OS Command Injection (CVE-ID: CVE-2026-1459)
The vulnerability allows a remote user to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation in the TR-369 certificate download CGI program. A remote administrator can pass specially crafted data to the application and execute arbitrary OS commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.