CVE-2023-34139

CVSS 8.8 HIGHEPSS 0.7%CWE-78

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.8EPSS 0.7%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

17 Jul 2023Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Zyxel · USG FLEX series firmware Zyxel · VPN series firmware

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References

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