CVE-2025-52089

Name: CVE-2025-52089
Creator: NVD / NIST
Published: 2025-07-11T15:15:24.677+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 7.06%

Last modified Jun 17, 2026

CVE-2025-52089 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A hidden remote support feature protected by a static secret in TOTOLINK N300RB firmware version 8.54 allows an authenticated attacker to execute arbitrary OS commands with root privileges.. EPSS estimates a 7.06% chance of exploitation in the next 30 days.

Description

A hidden remote support feature protected by a static secret in TOTOLINK N300RB firmware version 8.54 allows an authenticated attacker to execute arbitrary OS commands with root privileges.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

7.06%

93.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-306

Affected Software

Vendor	Product	Versions
Totolink	N300rb Firmware	8.54

References

https://0x09.dev/posts/toto_decouvre_une_interface_de_debug/Exploit, Third Party Advisory

Timeline

Published: Jul 11, 2025
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2025-52089?

A hidden remote support feature protected by a static secret in TOTOLINK N300RB firmware version 8.54 allows an authenticated attacker to execute arbitrary OS commands with root privileges.

How severe is CVE-2025-52089?

CVE-2025-52089 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 7.06% probability of exploitation in the next 30 days.

How do I fix CVE-2025-52089?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-52089?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST