CVE-2023-34139

Summary

A command injection vulnerability in the Free Time WiFi hotspot feature of the Zyxel USG FLEX series firmware versions 4.50 through 5.36 Patch 2 and VPN series firmware versions 4.20 through 5.36 Patch 2, could allow an unauthenticated, LAN-based attacker to execute some OS commands on an affected device.

Affected Software

VendorProductVersion RangeStatus
ZyxelUSG FLEX series firmware4.50 through 5.36 Patch 2affected
ZyxelVPN series firmware4.20 through 5.36 Patch 2affected

Weaknesses

  • CWE-78: CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

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

References