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..This CVE has a CVSS3.1 score of 8.8 and a Base Severity of HIGH.
| Info | Details |
|---|---|
| CVE ID | CVE-2023-34139 |
| CVE State | PUBLISHED |
| BaseScore | 8.8 |
| BaseSeverity | HIGH |
| VectorString | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Version | NA |
References for CVE-2023-34139 :
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-wlan-controllers
| Metric Type | Metric Score |
|---|---|
| AttackVector(AV) | ADJACENT_NETWORK |
| AttackComplexity(AC) | LOW |
| PrivilegesRequired(PR) | NONE |
| UserInteraction(UI) | NONE |
| Scope(S) | UNCHANGED |
| Confidentiality(C) | HIGH |
| Availability(A) | HIGH |
| Integrity(I) | HIGH |