CVE-2025-52089 | BDVDB-2026-285913 Detail

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: adjacent.

Weaknesses#

CWE-306 Missing Authentication for Critical Function

References#

https://0x09.dev/posts/toto_decouvre_une_interface_de_debug/

Exploit#

No public exploit known

History#

Version 12025-07-11Record published in the CVE List.
Version 22025-07-19Most recent update recorded in the CVE List.

Published

Published: 2025-07-11
Last modified: 2025-07-19

Vendor information

Vendor: Not stated
Product: Not stated

Score

8.8 High

EPSS

9.6%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 95.5.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Authentication Issues

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

No version data in the source record.

Scoring System

CVSS v4.0

Not available

CVSS v3.1

8.8 High

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

Metric breakdown
Attack Vector	Adjacent
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).