CVE-2025-45843: 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 ssid parameter in the setWiFiGuestCfg 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-2025-45843?

CVE-2025-45843 is classified as a high-severity vulnerability due to its potential to allow remote code execution through an authenticated stack overflow.

2

How do I fix CVE-2025-45843?

To mitigate CVE-2025-45843, it is recommended to update the firmware of the TOTOLINK NR1800X to the latest version provided by the vendor.

3

Who is affected by CVE-2025-45843?

Users of the TOTOLINK NR1800X firmware version V9.1.0u.6681_B20230703 are affected by CVE-2025-45843.

4

What does CVE-2025-45843 exploit?

CVE-2025-45843 exploits a vulnerability in the setWiFiGuestCfg function, specifically through an authenticated stack overflow via the ssid parameter.

5

Is CVE-2025-45843 remote or local?

CVE-2025-45843 is an authenticated remote vulnerability, which means it requires access to the device’s authenticated session.

Contact

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