Zyxel firewalls denial of service | CVE-2023-34140
NAME
__________
Zyxel firewalls denial of service
Platforms Affected:
Zyxel ATP ZLD 5.31
Zyxel USG FLEX ZLD 5.31
Zyxel USG FLEX 50(W) / USG20(W)-VPN ZLD 5.00
Zyxel VPN ZLD 5.00
Zyxel NXC2500 6.10(AAIG.0)
Zyxel NXC5500 6.10(AAOS.0)
Risk Level:
6.5
Exploitability:
Unproven
Consequences:
Denial of Service
DESCRIPTION
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Zyxel firewalls and controllers are vulnerable to a denial of service, caused by a buffer overflow. By sending a specially crafted request to the CAPWAP daemon, a remote attacker within the local network could exploit this vulnerability to cause a denial of service.
CVSS 3.0 Information
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Privileges Required:
None
User Interaction:
None
Scope:
Unchanged
Access Vector:
Adjacent Network
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