CVE-2023-34139
Last modified
CVE-2023-34139 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 0.69% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Zyxel | Usg 2200-Vpn Firmware | >= 4.20, < 5.37 |
| Zyxel | Usg Flex 100 Firmware | >= 4.50, < 5.37 |
| Zyxel | Usg Flex 100w Firmware | >= 4.50, < 5.37 |
| Zyxel | Usg Flex 200 Firmware | >= 4.50, < 5.37 |
| Zyxel | Usg Flex 50 Firmware | >= 4.50, < 5.37 |
| Zyxel | Usg Flex 500 Firmware | >= 4.50, < 5.37 |
| Zyxel | Usg Flex 50w Firmware | >= 4.50, < 5.37 |
| Zyxel | Usg Flex 700 Firmware | >= 4.50, < 5.37 |
| Zyxel | Zywall Vpn100 Firmware | >= 4.20, < 5.37 |
| Zyxel | Zywall Vpn2s Firmware | >= 4.20, < 5.37 |
| Zyxel | Zywall Vpn300 Firmware | >= 4.20, < 5.37 |
| Zyxel | Zywall Vpn50 Firmware | >= 4.20, < 5.37 |
| Zyxel | Zywall Vpn 100 Firmware | >= 4.20, < 5.37 |
| Zyxel | Zywall Vpn 300 Firmware | >= 4.20, < 5.37 |
| Zyxel | Zywall Vpn 50 Firmware | >= 4.20, < 5.37 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-34139?
How severe is CVE-2023-34139?
How do I fix CVE-2023-34139?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2023
- CVE-2023-34133Improper Neutralization of Special Elements used in an SQL C…7.5
- CVE-2023-34134Exposure of sensitive information to an unauthorized actor v…6.5
- CVE-2023-34135Path Traversal vulnerability in SonicWall GMS and Analytics …6.5
- CVE-2023-34136Vulnerability in SonicWall GMS and Analytics allows unauthen…9.8
- CVE-2023-34137SonicWall GMS and Analytics CAS Web Services application use…9.8
- CVE-2023-34138A command injection vulnerability in the hotspot management …8
- CVE-2023-3414A cross-site request forgery vulnerability exists in version…6.5
- CVE-2023-34140A buffer overflow vulnerability in the Zyxel ATP series firm…6.5
- CVE-2023-34141A command injection vulnerability in the access point (AP) m…8
- CVE-2023-34142Cleartext Transmission of Sensitive Information vulnerabilit…7.5
- CVE-2023-34143Improper Validation of Certificate with Host Mismatch vulner…8.1
- CVE-2023-34144An untrusted search path vulnerability in the Trend Micro Ap…7.8
Are you affected by CVE-2023-34139?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST