CVE-2025-52089

HIGH EXPLOITED

TOTOLINK N300RB Firmware 8.54 - Authenticated Remote Code Execution via Hidden Debug Interface

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2025-52089 has been observed exploited in the wild (reported by VulnCheck KEV). EIP tracks 1 public exploit from researchers including Skander BELABED - Magellan Sécurité.

AI-analyzed exploit summary This is a writeup describing a hidden remote support feature in TOTOLINK N300RB firmware 8.54 that allows authenticated attackers to execute arbitrary OS commands with root privileges via a static secret. The provided link references additional details but no exploit code is included.

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.

Exploits (1)

exploitdb WRITEUP
by Skander BELABED - Magellan Sécurité · texthardwaremultiple
https://www.exploit-db.com/exploits/52363

This is a writeup describing a hidden remote support feature in TOTOLINK N300RB firmware 8.54 that allows authenticated attackers to execute arbitrary OS commands with root privileges via a static secret. The provided link references additional details but no exploit code is included.

Classification
Writeup 90%
Attack Type
Rce
Complexity
Moderate
Reliability
Theoretical
Target: TOTOLINK N300RB firmware 8.54
Auth required
Prerequisites: authenticated access to the device · knowledge of the static secret
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1
Core References

Scores

CVSS v3 8.8
EPSS 0.0320
EPSS Percentile 87.3%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

VulnCheck KEV 2026-03-11
CWE
CWE-306
Status published
Products (1)
totolink/n300rb_firmware 8.54
Published Jul 11, 2025
Tracked Since Feb 18, 2026