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CVE PROGRAM SOURCE RECORD6.5 Medium

CVE-2023-34140

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) se

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Status
Published
Published
Updated
Assigning organization
Zyxel

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Zyxel ATP series firmware

Default version status: unaffected

  • 4.32 through 5.36 Patch 2affected

Zyxel USG FLEX series firmware

Default version status: unaffected

  • 4.50 through 5.36 Patch 2affected

Zyxel USG FLEX 50(W) series firmware

Default version status: unaffected

  • 4.16 through 5.36 Patch 2affected

Zyxel USG20(W)-VPN series firmware

Default version status: unaffected

  • 4.16 through 5.36 Patch 2affected

Zyxel VPN series firmware

Default version status: unaffected

  • 4.30 through 5.36 Patch 2affected

Zyxel NXC2500 firmware

Default version status: unaffected

  • 6.10(AAIG.0) through 6.10(AAIG.3)affected

Zyxel NXC5500 firmware

Default version status: unaffected

  • 6.10(AAOS.0) through 6.10(AAOS.4)affected

References