How to fix or mitigate CVE-2025-3711?

Within 24 hours: Identify all affected systems running firmware and apply vendor patches immediately. If patching is delayed, consider network segmentation to limit exposure.

CVE-2025-3711

Q: What is the CVSS score of CVE-2025-3711?

CVE-2025-3711 has a CVSS 4.0 base score of 9.3 (Critical). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 1.4%.

CRITICAL

Stack-based Buffer Overflow (CWE-121)

2025-05-09 twcert@cert.org.tw

Buffer Overflow RCE Stack Overflow

9.3

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

9.3 CRITICAL

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:41 vuln.today

CVE Published

May 09, 2025 - 04:16 nvd

CRITICAL 9.3

DescriptionCVE.org

AnalysisAI

The LCD KVM over IP Switch CL5708IM has a Stack-based Buffer Overflow vulnerability in firmware versions prior to v2.2.215, allowing unauthenticated remote attackers to exploit this vulnerability to. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-121. The LCD KVM over IP Switch CL5708IM has a Stack-based Buffer Overflow vulnerability in firmware versions prior to v2.2.215, allowing unauthenticated remote attackers to exploit this vulnerability to execute arbitrary code on the device.

Affected ProductsAI

See vendor advisory for affected versions.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.