Mitsubishi Electric MELSEC iQ-R R08PCPU improper validation of specified quantity in input

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Mitsubishi Electric MELSEC iQ-R R08PCPU, MELSEC iQ-R R16PCPU, MELSEC iQ-R R32PCPU and MELSEC iQ-R R120PCPU. It has been declared as critical. This affects an unknown part. Executing a manipulation can lead to improper validation of specified quantity in input. The identification of this vulnerability is CVE-2025-15080. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in Mitsubishi Electric MELSEC iQ-R R08PCPU, MELSEC iQ-R R16PCPU, MELSEC iQ-R R32PCPU and MELSEC iQ-R R120PCPU (version now known) and classified as critical. This vulnerability affects some unknown processing. The manipulation with an unknown input leads to a improper validation of specified quantity in input vulnerability. The CWE definition for the vulnerability is CWE-1284. The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties. As an impact it is known to affect integrity, and availability. CVE summarizes:

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.

The advisory is available at jvn.jp. This vulnerability was named CVE-2025-15080 since 12/25/2025. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 02/05/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 6.5
VulDB Temp Score: 6.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper validation of specified quantity in input
CWE: CWE-1284 / CWE-703
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

12/25/2025 CVE reserved
02/05/2026 +42 days Advisory disclosed
02/05/2026 +0 days VulDB entry created
02/05/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: jvn.jp
Status: Not defined

CVE: CVE-2025-15080 (🔒)
GCVE (CVE): GCVE-0-2025-15080
GCVE (VulDB): GCVE-100-344434

Entryinfo

Created: 02/05/2026 07:46
Changes: 02/05/2026 07:46 (62)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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