Vulnerability · Published Sep 8, 2025 · Assigned by CERTVDE
CVE-2025-41664Improper Permission Handling Enables Unauthorized Access to Firmware and Certificates
High 7.5
In plain English
A high-severity incorrect permission assignment in Coupler 0750-0362 from WAGO. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.2%top 83.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A low-privileged remote attacker could gain unauthorized access to critical resources, such as firmware and certificates, due to improper permission handling during the runtime of services (e.g., FTP/SFTP). This access could allow the attacker to escalate privileges and modify firmware.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| WAGO | Coupler 0750-0362 | 0 – before FW13 |
| WAGO | Coupler 0750-0362/0000-0001 | 0 – before FW13 |
| WAGO | Coupler 0750-0362/0040-0000 | 0 – before FW13 |
| WAGO | Coupler 0750-0362/K013-1080 | 0 – before FW13 |
| WAGO | Coupler 0750-0362/K019-7576 | 0 – before FW13 |
| WAGO | Coupler 0750-0363 | 0 – before FW13 |
| WAGO | Coupler 0750-0363/0040-0000 | 0 – before FW13 |
| WAGO | Coupler 0750-0364/0040-0010 | 0 – before FW13 |
| WAGO | Coupler 0750-0365/0040-0010 | 0 – before FW13 |
| WAGO | Coupler 0750-0366 | 0 – before FW13 |
Weakness: CWE-732 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H