CVE-2025-52376
Last modified
CVE-2025-52376 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An authentication bypass vulnerability in the /web/um_open_telnet.cgi endpoint in Nexxt Solutions NCM-X1800 Mesh Router firmware UV1.2.7 and below, allowing an attacker to remotely enable the Telnet service without authentication, bypassing security controls. The Telnet server is then accessible with hard-coded credentials, allowing attackers to gain administrative shell access and execute arbitrary commands on the device.. EPSS estimates a 9.14% chance of exploitation in the next 30 days.
Description
An authentication bypass vulnerability in the /web/um_open_telnet.cgi endpoint in Nexxt Solutions NCM-X1800 Mesh Router firmware UV1.2.7 and below, allowing an attacker to remotely enable the Telnet service without authentication, bypassing security controls. The Telnet server is then accessible with hard-coded credentials, allowing attackers to gain administrative shell access and execute arbitrary commands on the device.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2025-52376?
How severe is CVE-2025-52376?
How do I fix CVE-2025-52376?
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 2025
- CVE-2025-52365A command injection vulnerability in the szc script of the c…7.8
- CVE-2025-52367Cross Site Scripting vulnerability in PivotX CMS v.3.0.0 RC …5.4
- CVE-2025-5237The Target Video Easy Publish plugin for WordPress is vulner…6.4
- CVE-2025-52372An issue in hMailServer v.5.8.6 allows a local attacker to o…5.1
- CVE-2025-52373Use of hardcoded cryptographic key in BlowFish.cpp in hMailS…4.6
- CVE-2025-52374Use of hardcoded cryptographic key in Encryption.cs in hMail…4.6
- CVE-2025-52377Command injection vulnerability in Nexxt Solutions NCM-X1800…5.4
- CVE-2025-52378Cross-Site Scripting (XSS) vulnerability in Nexxt Solutions …5.4
- CVE-2025-52379Nexxt Solutions NCM-X1800 Mesh Router firmware UV1.2.7 and b…5.4
- CVE-2025-5238The YITH WooCommerce Wishlist plugin for WordPress is vulner…6.4
- CVE-2025-52385An issue in Studio 3T v.2025.1.0 and before allows a remote …9.8
- CVE-2025-52386CycloneDX Sunshine v0.9 is vulnerable to CSV Formula Injecti…5.4
Are you affected by CVE-2025-52376?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST