What is the CVSS score of EUVD-2025-17619?

EUVD-2025-17619 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: 0.4%.

Is there a public PoC exploit available for EUVD-2025-17619?

Yes, a public proof-of-concept exploit is available for EUVD-2025-17619. Prioritise patching immediately. EPSS: 0.4%.

How to fix or mitigate EUVD-2025-17619?

Within 24 hours: Inventory all TOTOLIK EX1200T devices in production and immediately isolate or restrict external access to affected units via firewall rules. Within 7 days: Contact TOTOLIK for patch availability and implement network segmentation to limit router access to trusted administrative sources only. Within 30 days: Replace affected devices with patched firmware versions once available, or migrate to alternative router solutions if patches remain unavailable.

Ex1200t Firmware EUVD-2025-17619

| CVE-2025-5911 HIGH

Buffer Overflow (CWE-119)

2025-06-10 cna@vuldb.com

RCE Buffer Overflow TP-Link Ex1200t 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Weakness	CWE CWE-119 OWASP Top 10:2025 A06:2021 - Vulnerable and Outdated Components ASVS 5.0 V15 - Secure Coding and Architecture Bounds checking, buffer size validation MITRE ATT&CK 2 techniques across 2 tactics: Execution,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 0.4%. Public PoC/exploit available. No patch confirmed.
Exploit ScenarioDerived	An attacker could exploit this vulnerability in TOTOLINK EX1200T 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 0.4% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 14, 2026

A buffer overflow vulnerability in TOTOLINK EX1200T (CVSS 8.8). Risk factors: public PoC available.

Earlier versions of this analysis (1)

v1 Mar 14, 2026 - 19:49 CVSS 8.8

RemediationAI

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

Affected VersionsENISA

EX1200T 4.1.2cu.5232_B20210713

Affected Packages

euvd ex1200t 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 TOTOLINK EX1200T.

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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 16, 2025 - 17:06 vuln.today

Public exploit code

CVE Published

Jun 10, 2025 - 03:15 nvd

HIGH 8.8

DescriptionCVE.org

A vulnerability was found in TOTOLINK EX1200T up to 4.1.2cu.5232_B20210713 and classified as critical. Affected by this issue is some unknown functionality of the file /boafrm/formDMZ of the component HTTP POST Request Handler. The manipulation leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Executive ViewAI

Why It Matters

A critical buffer overflow vulnerability affecting TOTOLIK EX1200T routers (firmware versions up to 4.1.2cu.5232_B20210713) has been publicly disclosed with working exploits available. Organizations using affected devices face immediate risk of remote compromise, potentially enabling unauthorized network access, data exfiltration, or lateral movement into internal systems.

Business Impact: High

Compensating Controls

Implement WAF rules to block HTTP POST requests to /boafrm/formDMZ endpoint; restrict administrative access via network firewall to trusted IP ranges only; disable DMZ functionality if not operationally required; place affected routers behind additional network segmentation or air-gap from critical systems; enable detailed logging and monitor for exploitation attempts; consider temporary replacement with alternative networking equipment if patches are not released within 30 days.

Threat Intelligence Overview

EPSS Score

0.4%

Top 39% 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 0.4%

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

Scheduled

Exploitation· derived

Poc

System Exposure· derived

Open

Automatable· derived

Human Impact

High

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

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.

Remote Code Execution CRITICAL

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.