High severity8.0NVD Advisory· Published Dec 13, 2025· Updated Apr 15, 2026

CVE-2025-13970

Description

OpenPLC_V3 is vulnerable to a cross-site request forgery (CSRF) attack due to the absence of proper CSRF validation. This issue allows an unauthenticated attacker to trick a logged-in administrator into visiting a maliciously crafted link, potentially enabling unauthorized modification of PLC settings or the upload of malicious programs which could lead to significant disruption or damage to connected systems.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Thiagoralves/Openplc V3references
Openplcproject/OpenPLCllm-fuzzy
Range: V3

Patches

Vulnerability mechanics

References

github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2025/icsa-25-345-10.jsonnvd
www.cisa.gov/news-events/ics-advisories/icsa-25-345-10nvd

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