4.4

CVE-2023-4397

A buffer overflow vulnerability in the Zyxel ATP series firmware version 5.37, USG FLEX series firmware version 5.37, USG FLEX 50(W) series firmware version 5.37, and USG20(W)-VPN series firmware version 5.37, could allow an authenticated local attacker with administrator privileges to cause denial-of-service (DoS) conditions by executing the CLI command with crafted strings on an affected device.

Data is provided by the National Vulnerability Database (NVD)
Zyxel ≫ Zld Version5.37
   Zyxel ≫ Atp100 Version-
   Zyxel ≫ Atp100w Version-
   Zyxel ≫ Atp200 Version-
   Zyxel ≫ Atp500 Version-
   Zyxel ≫ Atp700 Version-
   Zyxel ≫ Atp800 Version-
Zyxel ≫ Zld Version5.37
   Zyxel ≫ Usg Flex 100 Version-
   Zyxel ≫ Usg Flex 100w Version-
   Zyxel ≫ Usg Flex 200 Version-
   Zyxel ≫ Usg Flex 50 Version-
   Zyxel ≫ Usg Flex 500 Version-
   Zyxel ≫ Usg Flex 50w Version-
   Zyxel ≫ Usg Flex 700 Version-
Zyxel ≫ Zld Version5.37
   Zyxel ≫ Usg 20w-vpn Version-
   Zyxel ≫ Vpn50w Version-
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.04% 0.116
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
security@zyxel.com.tw 4.4 0.8 3.6
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.