Headline

CVE-2022-45854: Zyxel security advisory for DoS vulnerability of APs | Zyxel Networks

An improper check for unusual conditions in Zyxel NWA110AX firmware verisons prior to 6.50(ABTG.0)C0, which could allow a LAN attacker to cause a temporary denial-of-service (DoS) by sending crafted VLAN frames if the MAC address of the vulnerable AP were intercepted by the attacker.

1 year ago

CVE

Open in Source

#vulnerability #mac #dos

CVE: CVE-2022-45854****Summary

Zyxel has released patches for access points (AP) affected by a temporary denial-of-service (DoS) vulnerability. Users are advised to install them for optimal protection.

What is the vulnerability?

An improper check for unusual conditions in some APs could allow an attacker to cause a temporary DoS by sending crafted VLAN frames if the MAC address of the vulnerable AP were known.

What versions are vulnerable—and what should you do?

After a thorough investigation, we’ve identified the vulnerable products that are within their vulnerability support period and released patches to address the vulnerability, as shown in the table below.

Got a question?

Please contact your local service rep or visit Zyxel’s Community for further information or assistance.

Acknowledgment

Thanks to Luci Stanescu for reporting the issue to us.

Revision history

2023-2-7: Initial release

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