What is the CVSS score of EUVD-2025-18456?

EUVD-2025-18456 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 A3002ru Firmware are affected by EUVD-2025-18456?

A critical remote code execution vulnerability affecting TOTOLIK A3002RU routers (CVE-2025-6148) has been publicly disclosed with active exploits available.

Is there a public PoC exploit available for EUVD-2025-18456?

Yes, a public proof-of-concept exploit is available for EUVD-2025-18456. Prioritise patching immediately. EPSS: 0.6%.

How to fix or mitigate EUVD-2025-18456?

Within 24 hours: Inventory all TOTOLINK A3002RU devices in production and isolate critical instances from sensitive network segments. Within 7 days: Implement network-level access controls restricting HTTP POST requests to the /boafrm/formSysLog endpoint, and enable monitoring for exploit attempts. Within 30 days: Replace affected routers with patched firmware once available, or substitute with alternative router models from vendors with confirmed patches.

A3002ru Firmware EUVD-2025-18456

| CVE-2025-6148 HIGH

Buffer Overflow (CWE-119)

2025-06-17 cna@vuldb.com

Buffer Overflow TP-Link RCE A3002ru 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-2025-18456

Analysis Generated

Mar 14, 2026 - 22:15 vuln.today

PoC Detected

Jun 23, 2025 - 19:28 vuln.today

Public exploit code

CVE Published

Jun 17, 2025 - 01:15 nvd

HIGH 8.8

DescriptionCVE.org

A vulnerability was found in TOTOLINK A3002RU 3.0.0-B20230809.1615. It has been rated as critical. This issue affects some unknown processing of the file /boafrm/formSysLog of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

AnalysisAI

Critical remote buffer overflow vulnerability in TOTOLINK A3002RU firmware version 3.0.0-B20230809.1615 affecting the HTTP POST request handler for the /boafrm/formSysLog endpoint. An authenticated attacker can exploit this via manipulation of the submit-url parameter to achieve remote code execution with high confidentiality, integrity, and availability impact. The vulnerability has public exploit disclosure and represents an active threat to deployed devices.

Technical ContextAI

The vulnerability exists in the HTTP POST request handler component of TOTOLINK A3002RU, specifically in the /boafrm/formSysLog file processing logic. The root cause is CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer), a classic buffer overflow condition where user-supplied input via the submit-url parameter is not properly validated or bounds-checked before being written to a fixed-size buffer. The TOTOLINK A3002RU is a wireless router (CPE likely: cpe:2.3:h:totolink:a3002ru:3.0.0-*). The affected component processes form data in the boaform CGI interface, a common web-based management interface in embedded networking devices. The manipulation occurs at the HTTP application layer, with insufficient input sanitization allowing an attacker to overflow stack or heap buffers and inject arbitrary code.

RemediationAI

Immediate remediation steps: (1) If available, update TOTOLINK A3002RU firmware to a patched version released after 3.0.0-B20230809.1615 (check TOTOLINK support portal at support.totolink.net for firmware updates); (2) As an interim mitigation, restrict HTTP access to the /boafrm/formSysLog endpoint via firewall rules or network segmentation to trusted administrative networks only; (3) Disable or restrict access to the web-based management interface if not actively used; (4) Change default credentials and enforce strong authentication if the device supports it; (5) Monitor for suspicious POST requests to /boafrm/formSysLog with unusual submit-url parameter values. Vendor advisory and patches should be obtained directly from TOTOLINK; check for advisory notices on their security page or contact support for available firmware patches.