CVE-2025-45842: High severity totolink nr1800x firmware vulnerability

Published May 8, 2025
·
Updated

TOTOLINK NR1800X V9.1.0u.6681B20230703 was discovered to contain an authenticated stack overflow via the ssid5g parameter in the setWiFiEasyCfg function.

Affected Software

3 affected components
TOTOLINK NR1800X
All of the following
TOTOLINK Nr1800x Firmware=9.1.0u.6681_b20230703
TOTOLINK NR1800X

Event History

May 8, 2025
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Oct 7, 57345
Event
via FIRST·08:56 PM
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Frequently Asked Questions

1

What is the severity of CVE-2025-45842?

CVE-2025-45842 has been classified as a high severity vulnerability due to its potential for exploitation via an authenticated stack overflow.

2

How do I fix CVE-2025-45842?

To fix CVE-2025-45842, you should update the firmware of your TOTOLINK NR1800X device to the latest version provided by the manufacturer.

3

What is the main cause of CVE-2025-45842?

CVE-2025-45842 is caused by an authenticated stack overflow vulnerability in the setWiFiEasyCfg function, specifically related to the ssid5g parameter.

4

Who is affected by CVE-2025-45842?

CVE-2025-45842 affects users of the TOTOLINK NR1800X router running the firmware version V9.1.0u.6681_B20230703.

5

Can CVE-2025-45842 be exploited remotely?

CVE-2025-45842 requires authentication, meaning that the vulnerability can only be exploited by users who have already gained access to the device's administrative interface.

Company

Resources

Contact

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CVE-2025-45842 - High severity totolink nr1800x firmware vulnerability - SecAlerts