CVE-2025-65212

An issue was discovered in NJHYST HY511 POE core before 2.1 and plugins before 0.1

Critical · published January 6, 2026

CVSS v3.1
9.8
EPSS
5%
Percentile
92.6
In the wild
Unconfirmed
What it is

🚨 Imagine a delivery service that hands over packages without checking the recipient's identity — that's how easy it is for attackers to access sensitive data in NJHYST HY511 POE core devices! 🔥 This vulnerability is like a restaurant giving out its secret recipe by mistake; the chef left it on the counter with no one checking who takes it home. An attacker can request the configuration file directly and gain access without any verification, just like snagging a takeout menu without ordering! An attacker could download the core configuration file, revealing usernames and self-decrypted MD5 passwords. This means they can log into the device management backend without even breaking a sweat, bypassing any front-end security measures. We're talking about unauthorized access that can lead to devastating consequences!

Put simply

This vulnerability is like a restaurant giving out its secret recipe by mistake; the chef left it on the counter with no one checking who takes it home. An attacker can request the configuration file directly and gain access without any verification, just like snagging a takeout menu without ordering! The vulnerability arises from insufficient cookie verification in NJHYST HY511 POE core before version 2.1 and its plugins before version 0.1, allowing unauthorized requests for the configuration file containing sensitive information.

What to do

An attacker could download the core configuration file, revealing usernames and self-decrypted MD5 passwords. This means they can log into the device management backend without even breaking a sweat, bypassing any front-end security measures. We're talking about unauthorized access that can lead to devastating consequences! Update the NJHYST HY511 POE core to version 2.1 and ensure all plugins are updated to at least version 0.1. Additionally, review your security settings to enforce proper cookie verification and prevent direct access to sensitive files. You've got this! Take these steps to secure your devices, and you'll be a security hero in no time! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.05362 · 92.6th percentile
Published
2026-01-06T00:00Z
EPSS history
Timeline
  • 06 JAN 00:00Z
    An issue was discovered in NJHYST HY511 POE core before 2.1 and plugins before 0.1
    cvelistv5