CVE-2025-40736CWE-306

A vulnerability has been identified in SINEC NMS (All versions < V4.0)

Critical · published July 8, 2025

CVSS v4.0
9.3
EPSS
0%
Percentile
38.5
In the wild
Unconfirmed
What it is

🚨 A sneaky endpoint in SINEC NMS lets anyone reset the superadmin password without breaking a sweat! 🔥 Think of it as a hotel with a backdoor that allows anyone to enter and change the master key without anyone noticing. The unsuspecting guests (read: systems) would be at the mercy of anyone who stumbles upon it! An unauthenticated attacker could waltz right in, reset the superadmin password, and gain FULL control of the application. This means they can manipulate settings, access sensitive data, and potentially wreak havoc on your entire network. A single breach here could lead to absolute chaos!

Put simply

Think of it as a hotel with a backdoor that allows anyone to enter and change the master key without anyone noticing. The unsuspecting guests (read: systems) would be at the mercy of anyone who stumbles upon it! This vulnerability exposes an endpoint that allows unauthorized modifications to administrative credentials in SINEC NMS versions below 4.0, enabling attackers to reset the superadmin password with no authentication required.

What to do

An unauthenticated attacker could waltz right in, reset the superadmin password, and gain FULL control of the application. This means they can manipulate settings, access sensitive data, and potentially wreak havoc on your entire network. A single breach here could lead to absolute chaos! Patch immediately to SINEC NMS version 4.0 or later to eliminate this risk. Additionally, review your access controls and monitor any unusual activities on your network to ensure no unauthorized changes are made. It's crucial to lock this down NOW! You've got this! Stay vigilant, follow these steps, and you’ll have your fortress secure in no time! 🛡️

The record
Technical detail
CVSS v4.0
9.3 · CRITICAL
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00456 · 38.5th percentile
Weakness
CWE-306 · Missing Authentication for Critical Function
Published
2025-07-08T10:34Z
EPSS history
Timeline
  • 08 JUL 10:34Z
    A vulnerability has been identified in SINEC NMS (All versions < V4.0)
    cvelistv5