CVE Catalog

CVE-2023-34141

HighCVSS 8.0
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.63%

45th percentile - higher than 45% of all known CVEs

Summary

CVE-2023-34141 describes a command injection vulnerability in the access point management feature of Zyxel ATP, USG FLEX, USG20(W)-VPN, VPN, and NXC firmware. An attacker on the local network can trick an authorized administrator into adding their IP address to the managed AP list, allowing them to execute OS commands on the affected device.

Risk Assessment

This vulnerability poses a serious security risk by allowing unauthorized users to execute commands on devices, potentially leading to data loss or system takeover.

Recommendation

It is recommended to update the firmware to the latest version to mitigate this vulnerability and implement strict access controls for the access point management feature.

Related vulnerabilities

Original NVD description (English source)

A command injection vulnerability in the access point (AP) management feature of the Zyxel ATP series firmware versions 5.00 through 5.36 Patch 2, USG FLEX series firmware versions 5.00 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 5.00 through 5.36 Patch 2, USG20(W)-VPN series firmware versions 5.00 through 5.36 Patch 2, VPN series firmware versions 5.00 through 5.36 Patch 2, NXC2500 firmware versions 6.10(AAIG.0) through 6.10(AAIG.3), and NXC5500 firmware versions 6.10(AAOS.0) through 6.10(AAOS.4), could allow an unauthenticated, LAN-based attacker to execute some OS commands on an affected device if the attacker could trick an authorized administrator to add their IP address to the managed AP list in advance.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS