Unrated severityNVD Advisory· Published Jul 17, 2023· Updated Mar 5, 2025

CVE-2023-33012

Description

A command injection vulnerability in the configuration parser of 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 GRE configuration when the cloud management mode is enabled.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Zyxel/ATP seriesllm-fuzzy2 versions
5.10 to 5.36 Patch 2+ 1 more
- (no CPE)range: 5.10 to 5.36 Patch 2
- (no CPE)range: 5.10 through 5.36 Patch 2
Zyxel/USG FLEX seriesllm-fuzzy3 versions
5.00 to 5.36 Patch 2+ 2 more
- (no CPE)range: 5.00 to 5.36 Patch 2
- (no CPE)range: 5.10 through 5.36 Patch 2
- (no CPE)range: 5.00 through 5.36 Patch 2
Zyxel/USG20(W)-VPN seriescpe-rescue
Range: 5.10 through 5.36 Patch 2
Zyxel/VPN seriescpe-rescue
Range: 5.00 through 5.36 Patch 2

Patches

Vulnerability mechanics

References

www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-wlan-controllersmitre

News mentions

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