High severity · published Feb 5, 2026
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
8.8
CVSS
0.6%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 49% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MI
MELSEC iQ-R Series R08PCPU · Mitsubishi Electric Corporation
Firmware versions "48" and prior · source: vendor
MI
MELSEC iQ-R Series R120PCPU · Mitsubishi Electric Corporation
Firmware versions "48" and prior · source: vendor
MI
MELSEC iQ-R Series R16PCPU · Mitsubishi Electric Corporation
Firmware versions "48" and prior · source: vendor
MI
MELSEC iQ-R Series R32PCPU · Mitsubishi Electric Corporation
Firmware versions "48" and prior · source: vendor
Affected product
MI
MELSEC iQ-R Series R08PCPU
Mitsubishi Electric Corporation
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-15080
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-15080
jvn.jp
https://jvn.jp/vu/JVNVU95093080/
www.cisa.gov
https://www.cisa.gov/news-events/ics-advisories/icsa-26-036-02
www.mitsubishielectric.com
https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2025-020_en.pdf