CVE-2023-33011

Summary

A format string vulnerability in the Zyxel ATP series firmware versions 5.10 through 5.36 Patch 2, USG FLEX series firmware versions 5.00 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 5.10 through 5.36 Patch 2, USG20(W)-VPN series firmware versions 5.10 through 5.36 Patch 2, and VPN series firmware versions 5.00 through 5.36 Patch 2, could allow an unauthenticated, LAN-based attacker to execute some OS commands by using a crafted PPPoE configuration on an affected device when the cloud management mode is enabled.

Affected Software

VendorProductVersion RangeStatus
ZyxelATP series firmware5.10 through 5.36 Patch 2affected
ZyxelUSG FLEX series firmware5.00 through 5.36 Patch 2affected
ZyxelUSG FLEX 50(W) series firmware5.10 through 5.36 Patch 2affected
ZyxelUSG20(W)-VPN series firmware5.10 through 5.36 Patch 2affected
ZyxelVPN series firmware5.00 through 5.36 Patch 2affected

Weaknesses

  • CWE-134: CWE-134 Use of Externally-Controlled Format String

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

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

References