What is the CVSS score of EUVD-2025-18427?

EUVD-2025-18427 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%.

Is there a public PoC exploit available for EUVD-2025-18427?

Yes, a public proof-of-concept exploit is available for EUVD-2025-18427. Prioritise patching immediately. EPSS: 0.6%.

How to fix or mitigate EUVD-2025-18427?

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 EUVD-2025-18427

| CVE-2025-6146 HIGH

Buffer Overflow (CWE-119)

2025-06-17 cna@vuldb.com

Buffer Overflow TP-Link X15 Firmware TOTOLINK

8.8

CVSS 3.1 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-119 OWASP Top 10:2025 A06:2021 - Vulnerable and Outdated Components ASVS 5.0 V15 - Secure Coding and Architecture Bounds checking, buffer size validation MITRE ATT&CK 2 techniques across 2 tactics: Execution, Privilege Escalation The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS 8.8. EPSS 0.6%. Public PoC/exploit available. No patch confirmed.
Exploit ScenarioDerived	An attacker could exploit this vulnerability in A vulnerability to compromise the security of affected deployments, potentially impacting confidentiality, integrity, or availability.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

No patch listed yet 0.6% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 14, 2026

A buffer overflow vulnerability in A vulnerability (CVSS 8.8). Risk factors: public PoC available.

Earlier versions of this analysis (1)

v1 Mar 14, 2026 - 22:15 CVSS 8.8

RemediationAI

Monitor vendor channels for patch availability. Consider network segmentation to limit exposure if patching is delayed.

Affected VersionsENISA

X15 1.0.0-B20230714.1105

Affected Packages

euvd x15 no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

CWE-119 (Buffer Overflow). CVSS 8.8 indicates high severity. Affects A vulnerability.

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Exploit and PoC references, threat intelligence from 22 sources

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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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

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.

Executive ViewAI

Why It Matters

A critical remote code execution vulnerability affecting TOTOLIK X15 routers allows unauthenticated attackers to compromise network infrastructure through a buffer overflow. This poses immediate risk to organizations using these devices as they serve as entry points to internal networks, with active exploit code now publicly available.

Business Impact: Severe

Compensating Controls

Implement Web Application Firewall (WAF) rules to block POST requests to /boafrm/formSysLog endpoint; restrict administrative interface access via network ACLs to trusted IP ranges only; disable HTTP management interface and enforce HTTPS-only access with authentication; implement rate limiting on the affected endpoint; consider isolating affected devices on a segregated management network; monitor for exploitation attempts via IDS/IPS signatures; disable remote management capabilities until patched.

Threat Intelligence Overview

EPSS Score

0.6%

Top 31% exploitable

Exploit

POC

Public exploit code exists

Data Quality

6 sources

Confidence: High

EUVD

NVD

CVE.org

EPSS

GitHub

VulDB

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity HIGH

CISA KEV No

Public POC Yes

EPSS 0.6%

Patch available No

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Out-of-Cycle

Exploitation· derived

Poc

System Exposure· derived

Open

Automatable· derived

Human Impact

Very High

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +1

CVSS: +44

PoC: +20

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Buffer Overflow HIGH

A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.