4.9

CVE-2024-6343

A buffer overflow vulnerability in the CGI program of Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50(W) series firmware versions from V4.16 through V5.38, and USG20(W)-VPN series firmware versions from V4.16 through V5.38 could allow an authenticated attacker with administrator privileges to cause denial of service (DoS) conditions by sending a crafted HTTP request to a vulnerable device.

Data is provided by the National Vulnerability Database (NVD)
Zyxel ≫ Zld Version >= 4.32 < 5.39
   Zyxel ≫ Atp100 Version-
   Zyxel ≫ Atp100w Version-
   Zyxel ≫ Atp200 Version-
   Zyxel ≫ Atp500 Version-
   Zyxel ≫ Atp700 Version-
   Zyxel ≫ Atp800 Version-
Zyxel ≫ Zld Version >= 4.50 < 5.39
   Zyxel ≫ Usg Flex 100 Version-
   Zyxel ≫ Usg Flex 100ax Version-
   Zyxel ≫ Usg Flex 100w Version-
   Zyxel ≫ Usg Flex 200 Version-
   Zyxel ≫ Usg Flex 50 Version-
   Zyxel ≫ Usg Flex 500 Version-
   Zyxel ≫ Usg Flex 700 Version-
Zyxel ≫ Zld Version >= 4.16 < 5.39
   Zyxel ≫ Usg Flex 50w Version-
Zyxel ≫ Zld Version >= 4.16 < 5.39
   Zyxel ≫ Usg 20w-vpn Version-
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.19% 0.412
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
security@zyxel.com.tw 4.9 1.2 3.6
CVSS:3.1/AV:N/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.