CVE-2019-12550

WAGO 852-303 before FW06, 852-1305 before FW06, and 852-1505 before FW03 devices contain hardcoded users and passwords that can be used to login via SSH and…

published June 17, 2019

CVSS
—
EPSS
3%
Percentile
85.6
In the wild
Unconfirmed
What it is

⚠️ Hardcoded credentials in WAGO devices? That's a recipe for trouble! 🛠️ Think of these devices like a hotel where the front desk never changes the default room keys — anyone with a key can waltz in without a reservation! An attacker could easily gain unauthorized access, allowing them to control the device settings, disrupt operations, or even extract sensitive information. This could lead to serious disruptions in automated systems, potentially putting your processes at risk.

Put simply

Think of these devices like a hotel where the front desk never changes the default room keys — anyone with a key can waltz in without a reservation! CVE-2019-12550 reveals that certain WAGO devices ship with hardcoded usernames and passwords, enabling anyone to log in via SSH or TELNET without any special permissions or authentication.

What to do

An attacker could easily gain unauthorized access, allowing them to control the device settings, disrupt operations, or even extract sensitive information. This could lead to serious disruptions in automated systems, potentially putting your processes at risk. To protect your systems, change the default credentials immediately and ensure firmware is updated to the latest versions (FW06 or above for 852-303 and 852-1305, and FW03 or above for 852-1505). Always audit device configurations regularly! You've got this! By taking these steps, you’ll bolster your device security in no time! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02660 · 85.6th percentile
Published
2019-06-17T16:29Z
EPSS history
Timeline
  • 17 JUN 16:29Z
    WAGO 852-303 before FW06, 852-1305 before FW06, and 852-1505 before FW03 devices contain hardcoded users and passwords that can be used to login via SSH and…
    cvelistv5