CVE-2024-6343

Summary

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.

Affected Software

VendorProductVersion RangeStatus
ZyxelATP series firmwareversions V4.32 through V5.38affected
ZyxelUSG FLEX series firmwareversions V4.50 through V5.38affected
ZyxelUSG FLEX 50(W) series firmwareversions V4.16 through V5.38affected
ZyxelUSG20(W)-VPN series firmwareversions V4.16 through V5.38affected

Weaknesses

  • CWE-120: CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References