Vulnerability · Published Aug 26, 2026 · Assigned by Danfoss
CVE-2026-15203Debug interfaces are accessible by default in Danfoss iC7 Automation SP, iC7 Marine and iC7 7Hybrid software
Critical 9.3
In plain English
A critical-severity security flaw in iC7-Automation SP from Danfoss. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 42% of all known vulnerabilities).
Severity (CVSS 4.0)9.3Critical
Exploit odds (30 days)0.5%top 58.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Danfoss | iC7-Automation SP | 0 – through 2025.3.3 |
| Danfoss | iC7-Marine | 0 – through 2025.8.19 |
| Danfoss | iC7-Hybrid | 0 – through 2025.10.300845 |
Weakness: CWE-1191 · Vector: 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