What’s Vulnerable › Vulnerabilities

CVE-2025-15080: Information Disclosure, Information Tampering, and Denial of Service (DoS) Vulnerability in Mitsubishi Electric proprietary protocol communication and SLMP communication for FA products

• Severity: high (CVSS 8.8 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-02-05 · updated 2026-06-17
• Weakness: CWE-1284

Description

Improper Validation of Specified Quantity in Input vulnerability in Mitsubishi Electric MELSEC iQ-R Series R08PCPU, R16PCPU, R32PCPU, and R120PCPU allows an unauthenticated attacker to read device data or part of a control program from the affected product, write device data in the affected product, or cause a denial of service (DoS) condition on the affected product by sending a specially crafted packet containing a specific command to the affected product.

Affected products

• Mitsubishi Electric Corporation MELSEC iQ-R Series R08PCPU: through Firmware versions "48"
• Mitsubishi Electric Corporation MELSEC iQ-R Series R120PCPU: through Firmware versions "48"
• Mitsubishi Electric Corporation MELSEC iQ-R Series R16PCPU: through Firmware versions "48"
• Mitsubishi Electric Corporation MELSEC iQ-R Series R32PCPU: through Firmware versions "48"

References

• https://jvn.jp/vu/JVNVU95093080/
• https://www.cisa.gov/news-events/ics-advisories/icsa-26-036-02
• https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2025-020_en.pdf

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