CVE-2026-12576

Delta Electronics · DVP80ES3 PLC

The Delta Electronics DVP80ES3 PLC is affected by a vulnerability involving the improper enforcement of message integrity during transmission.

Executive summary

A vulnerability in the Delta Electronics DVP80ES3 PLC allows for potential manipulation of data due to improper message integrity enforcement.

Vulnerability

This vulnerability occurs within the communication channel of the DVP80ES3, where the integrity of transmitted messages is not properly verified, potentially allowing for data tampering or injection.

Business impact

The lack of message integrity enforcement could allow a remote attacker to inject malicious commands or manipulate operational data, potentially leading to unauthorized control of the industrial process. With a CVSS score of 7.5, this vulnerability represents a severe threat to the safety and reliability of controlled operations.

Remediation

Immediate Action: Apply the latest security firmware update provided by Delta Electronics to ensure proper message integrity checks are enforced.

Proactive Monitoring: Review communication logs for the PLC to identify any irregularities or unexpected traffic patterns that deviate from established baselines.

Compensating Controls: Implement secure communication protocols (e.g., VPNs or encrypted tunnels) to protect traffic between the controller and the management workstation.

Exploitation status

Public Exploit Available: false

Analyst recommendation

The risk of command injection or data tampering in an industrial environment is unacceptable. Organizations should expedite the patching process and ensure that network-level defenses are in place to prevent unauthorized entities from interacting with the DVP80ES3 communication channels.