CVE-2025-3710: ATEN LCD KVM over IP Switch CL5708IM - Stack-based Buffer Overflow

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-05-09 · updated 2026-06-17
Weakness: CWE-121

Description

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 products

ATEN CL5708IM: before 2.2.215 — fixed in 2.2.215

How to fix

Upgrade to a fixed version: ATEN CL5708IM 2.2.215. Check the vendor advisory for mitigations.

References

https://www.twcert.org.tw/en/cp-139-10103-32121-2.html
https://www.twcert.org.tw/tw/cp-132-10095-a0f57-1.html

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