Buffer Overflow Vulnerability in Zyxel NBG-418N v2 Router

CVE-2023-22922

What is CVE-2023-22922?

The Zyxel NBG-418N v2 is susceptible to a buffer overflow vulnerability affecting firmware versions prior to V1.00(AARP.14)C0. When telnet is enabled, an unauthenticated remote attacker can send specially crafted packets to the device, potentially leading to denial of service (DoS) conditions. This risk emphasizes the importance of keeping firmware updated and disabling unnecessary services like telnet to mitigate exposure.

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