What is the CVSS score of CVE-2025-6146?

CVE-2025-6146 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.6%.

Which versions of X15 Firmware are affected by CVE-2025-6146?

A critical remote code execution vulnerability affecting TOTOLIK X15 routers allows unauthenticated attackers to compromise network infrastructure through a buffer overflow.

Is there a public PoC exploit available for CVE-2025-6146?

Yes, a public proof-of-concept exploit is available for CVE-2025-6146. Prioritise patching immediately. EPSS: 0.6%.

How to fix or mitigate CVE-2025-6146?

Within 24 hours: Identify and inventory all TOTOLINK X15 devices in your environment and isolate affected units from production networks if business-critical. Within 7 days: Implement network segmentation to restrict access to administrative interfaces, deploy WAF rules blocking requests to /boafrm/formSysLog with suspicious submit-url parameters, and disable remote management if not required. Within 30 days: Plan device replacement or firmware upgrade once vendor patch is released, and conduct network forensics to detect any prior compromise indicators.

X15 Firmware CVE-2025-6146

EUVD-2025-18427 HIGH

Buffer Overflow (CWE-119)

2025-06-17 cna@vuldb.com

Buffer Overflow TP-Link X15 Firmware TOTOLINK

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

EUVD ID Assigned

Mar 14, 2026 - 22:15 euvd

EUVD-2025-18427

Analysis Generated

Mar 14, 2026 - 22:15 vuln.today

PoC Detected

Jun 23, 2025 - 19:29 vuln.today

Public exploit code

CVE Published

Jun 17, 2025 - 00:15 nvd

HIGH 8.8

DescriptionCVE.org

A vulnerability was found in TOTOLINK X15 1.0.0-B20230714.1105. It has been classified as critical. This affects an unknown part of the file /boafrm/formSysLog of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.