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CVE-2026-15203— Debug interfaces are accessible by default in Danfoss iC7 Automation SP, iC7 Marine and iC7 7Hybrid software

Quick assessment

Affected
Danfoss iC7-Automation SP
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 Danfoss iC7-Automation SP、iC7-Marine 和 iC7-Hybrid GR3 产品中，调试和工程接口的访问控制存在缺陷。攻击者可以利用暴露的服务接口和软件更新机制，读取和写入内部值，上传并执行未经签名的应用程序，以及上传未经签名的 EEPROM 数据和固件。

CVSS 9.3 · Critical EPSS 0.36% · P29

Affected Version Matrix 3

VendorProduct Version RangeStatus
Danfoss iC7-Automation SP ≤ 2025.3.3 affected
Danfoss iC7-Hybrid ≤ 2025.10.300845 affected
Danfoss iC7-Marine ≤ 2025.8.19 affected
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I. Basic Information for CVE-2026-15203

Vulnerability Information
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Vulnerability Title
Debug interfaces are accessible by default in Danfoss iC7 Automation SP, iC7 Marine and iC7 7Hybrid software
Source: CVE Program / CVE List V5
Vulnerability Description
Improper access control in debug and engineering interfaces in Danfoss iC7-Automation SP, iC7-Marine, and iC7-Hybrid GR3 allows attackers to gain read/write access to internal values, upload and execute unsigned applications, and upload unsigned EEPROM data and firmware via exposed service interfaces and software update mechanisms
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1191
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Danfoss iC7-Automation SP 0 ~ 2025.3.3 -
Danfoss iC7-Marine 0 ~ 2025.8.19 -
Danfoss iC7-Hybrid 0 ~ 2025.10.300845 -

II. Public POCs for CVE-2026-15203

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III. Intelligence Information for CVE-2026-15203

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Other References for CVE-2026-15203 (3)

IV. Related Vulnerabilities

Same vendor: Danfoss
Same weakness: CWE-1191

V. Comments for CVE-2026-15203

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