CVE-2026-12819 DVP-12SE Missing Authentication and Unauthorized Write access Vulnerability
Unauthenticated attackers can access and modify security-sensitive PLC functions via the exposed Modbus TCP service on Delta DVP-12SE devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-12819?
CVE-2026-12819 is a critical missing authorization vulnerability in deltaww DVP-12SE, published on 30 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Delta Electronics DVP12SE PLC exposes a Modbus TCP service over a specified port without authentication or access control, permitting unauthenticated interaction with security-sensitive PLC functions.
Weakness: CWE-306
Which versions are affected by CVE-2026-12819?
How do I fix CVE-2026-12819?
No fix has been published for CVE-2026-12819 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-12819 being exploited?
There is no known exploitation of CVE-2026-12819 in the wild and no public exploit code.
Sources
Also known as GHSA-xpw2-pg2w-j67h.