CVE-2025-22938

Adtran 411 ONT L80.00.0011.M2 was discovered to contain weak default passwords

Critical · published March 31, 2025

CVSS v3.1
9.8
EPSS
1%
Percentile
45.5
In the wild
Unconfirmed
What it is

🚨 Weak default passwords could leave your Adtran 411 ONT wide open for attack! We're talking about an easy entry point for malicious users. 🔥 Think of it like leaving the front door of your house unlocked with a sign saying 'Welcome!' to intruders. A default password that’s easy to guess is an open invitation. 🎉 An attacker could easily waltz in and gain full control over your network device, potentially intercepting sensitive data, changing settings, or even launching attacks on your connected devices. This isn’t just a minor inconvenience; it’s an absolute disaster waiting to happen! 🔥💔

Put simply

Think of it like leaving the front door of your house unlocked with a sign saying 'Welcome!' to intruders. A default password that’s easy to guess is an open invitation. 🎉 The Adtran 411 ONT uses weak default passwords that can be exploited without any special access or privileges. This vulnerability allows unauthorized access to the device simply by guessing the default password, putting your entire network at risk.

What to do

An attacker could easily waltz in and gain full control over your network device, potentially intercepting sensitive data, changing settings, or even launching attacks on your connected devices. This isn’t just a minor inconvenience; it’s an absolute disaster waiting to happen! 🔥💔 Change the default passwords immediately to strong, unique combinations that follow industry best practices. Regularly update your device’s firmware to ensure all security measures are in place, and consider enabling multi-factor authentication if available. 🛡️ You've got this! Take action now, and you’ll have your network secured 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
0.00554 · 45.5th percentile
Published
2025-03-31T00:00Z
EPSS history
Timeline
  • 31 MAR 00:00Z
    Adtran 411 ONT L80.00.0011.M2 was discovered to contain weak default passwords
    cvelistv5