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Zyxel Command Injection Vulnerabilities in CPE and Extenders

Zyxel released a security advisory on April 28, 2026, addressing command injection vulnerabilities across multiple versions of their 4G LTE/5G NR CPE, DSL/Ethernet CPE, Fiber ONTs, and Wireless Extender products, potentially allowing attackers to execute arbitrary commands.

4G LTE/5G NR CPE +3 command injection network device vulnerability
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