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.
Published 2023-07-17 18:15:10
Updated 2023-07-26 21:29:58
View at NVD,   CVE.org
Vulnerability category: OverflowDenial of service

Exploit prediction scoring system (EPSS) score for CVE-2023-34140

Probability of exploitation activity in the next 30 days EPSS Score History
~ 11 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-34140

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
Zyxel Corporation

CWE ids for CVE-2023-34140

Products affected by CVE-2023-34140

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