CVE-2023-37926
Last modified
CVE-2023-37926 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A buffer overflow vulnerability in the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50(W) series firmware versions 4.16 through 5.37, USG20(W)-VPN series firmware versions 4.16 through 5.37, and VPN series firmware versions 4.30 through 5.37, could allow an authenticated local attacker to cause denial-of-service (DoS) conditions by executing the CLI command to dump system logs on an affected device.. EPSS estimates a 0.22% chance of exploitation in the next 30 days.
Description
A buffer overflow vulnerability in the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50(W) series firmware versions 4.16 through 5.37, USG20(W)-VPN series firmware versions 4.16 through 5.37, and VPN series firmware versions 4.30 through 5.37, could allow an authenticated local attacker to cause denial-of-service (DoS) conditions by executing the CLI command to dump system logs on an affected device.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Zyxel | Zld | >= 4.32, <= 5.37 |
| Zyxel | Zld | >= 4.50, <= 5.37 |
| Zyxel | Zld | >= 4.16, <= 5.37 |
| Zyxel | Zld | >= 4.30, <= 5.37 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-37926?
How severe is CVE-2023-37926?
How do I fix CVE-2023-37926?
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-2023-37920Certifi is a curated collection of Root Certificates for val…9.8
- CVE-2023-37921Multiple arbitrary write vulnerabilities exist in the VCD so…7.8
- CVE-2023-37922Multiple arbitrary write vulnerabilities exist in the VCD so…7.8
- CVE-2023-37923Multiple arbitrary write vulnerabilities exist in the VCD so…7.8
- CVE-2023-37924Apache Software Foundation Apache Submarine has an SQL injec…9.8
- CVE-2023-37925An improper privilege management vulnerability in the debug …5.5
- CVE-2023-37927The improper neutralization of special elements in the CGI p…8.8
- CVE-2023-37928A post-authentication command injection vulnerability in the…8.8
- CVE-2023-37929The buffer overflow vulnerability in the CGI program of the …6.5
- CVE-2023-3793A vulnerability was found in Weaver e-cology. It has been ra…9.8
- CVE-2023-37930Multiple issues including the use of uninitialized ressource…8.8
- CVE-2023-37931An improper neutralization of special elements used in an sq…8.8
Are you affected by CVE-2023-37926?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
