CVE-2023-34140
Published: Jul 17, 2023
Modified: Oct 21, 2024
CVSS v3.1
6.5
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.
| Vendor | Product | Versions |
|---|---|---|
Zyxel | ATP series firmware | affected 4.32 through 5.36 Patch 2 |
Zyxel | USG FLEX series firmware | affected 4.50 through 5.36 Patch 2 |
Zyxel | USG FLEX 50(W) series firmware | affected 4.16 through 5.36 Patch 2 |
Zyxel | USG20(W)-VPN series firmware | affected 4.16 through 5.36 Patch 2 |
Zyxel | VPN series firmware | affected 4.30 through 5.36 Patch 2 |
Zyxel | NXC2500 firmware | affected 6.10(AAIG.0) through 6.10(AAIG.3) |
Zyxel | NXC5500 firmware | affected 6.10(AAOS.0) through 6.10(AAOS.4) |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
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