A buffer overflow vulnerability in the Zyxel ATP series firmware...

6.5 CVSS

Vulnerability Description

A buffer overflow vulnerability in the Zyxel ATP series firmware versions 4.32 through 5.36 Patch 2, USG FLEX series firmware versions 4.50 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 4.16 through 5.36 Patch 2, USG20(W)-VPN series firmware versions 4.16 through 5.36 Patch 2, VPN series firmware versions 4.30 through 5.36 Patch 2, NXC2500 firmware versions 6.10(AAIG.0) through 6.10(AAIG.3), and NXC5500 firmware versions 6.10(AAOS.0) through 6.10(AAOS.4), could allow an unauthenticated, LAN-based attacker to cause denial of service (DoS) conditions by sending a crafted request to the CAPWAP daemon.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-wlan-controllers

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Affected Vendor

Zyxel

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Affected Software

ATP series firmware, USG FLEX series firmware, USG FLEX 50(W) series firmware, USG20(W)-VPN series firmware, VPN series firmware, NXC2500 firmware, NXC5500 firmware

Vulnerable Versions:

4.32 through 5.36 Patch 2, 4.50 through 5.36 Patch 2, 4.16 through 5.36 Patch 2, 4.30 through 5.36 Patch 2, 6.10(AAIG.0) through 6.10(AAIG.3), 6.10(AAOS.0) through 6.10(AAOS.4)