Weidmueller: Unauthenticated Stack-Based Buffer Overflow in u-link Management API
Priority MEDIUM 50CWE-121Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.
Summary
An unauthenticated remote attacker may use a stack based buffer overflow in the u-link Management API to gain full access on the affected devices.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00799 56th percentileScored 2026-11-07
Fix Fixed IE-SR-2TX-WL (Weidmueller): V1.49IE-SR-2TX-WL-4G-EU (Weidmueller): V1.62+1 more product
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Weidmueller | IE-SR-2TX-WL | V0.0 to before V1.49 | V1.49 | Patch available | CNA |
| Weidmueller | IE-SR-2TX-WL-4G-EU | V0.0 to before V1.62 | V1.62 | Patch available | CNA |
| Weidmueller | IE-SR-2TX-WL-4G-US-V | V0.0 to before V1.62 | V1.62 | Patch available | CNA |
- IE-SR-2TX-WL VendorWeidmueller Affected V0.0 to before V1.49 Fixed in V1.49 Patch available CNA
- IE-SR-2TX-WL-4G-EU VendorWeidmueller Affected V0.0 to before V1.62 Fixed in V1.62 Patch available CNA
- IE-SR-2TX-WL-4G-US-V VendorWeidmueller Affected V0.0 to before V1.62 Fixed in V1.62 Patch available CNA
Remediation
- Fix · CNA IE-SR-2TX-WL (Weidmueller) Fixed in V1.49
- Fix · CNA IE-SR-2TX-WL-4G-EU (Weidmueller) Fixed in V1.62
- Fix · CNA IE-SR-2TX-WL-4G-US-V (Weidmueller) Fixed in V1.62
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Weidmueller IE-SR-2TX-WL, IE-SR-2TX-WL-4G-EU, IE-SR-2TX-WL-4G-US-V V1.49, V1.62
3 records Highest priority Priority MEDIUM 3 MEDIUM
Other records, highest priority first
- TI-2025-27647 Weidmueller: Root Command Injection via Unsanitized Input in tls_iotgen_setting EndpointPriority MEDIUM 42
- TI-2025-27646 Weidmueller: Root Command Injection via Unsanitized Input in event_mail_test EndpointPriority MEDIUM 42
Timeline
- 2026-10-02 Threatist record created from CVE-2025-41687
- 2026-10-03 Alias added: GHSA-mc82-ffc8-67rq
References
More Weidmueller vulnerabilities
- TI-2025-27672 Command injection in power analyzer via Modbus-TCP and Modbus-RTU CVSS 3.1CRITICAL 9.8
- TI-2025-27628 Weidmueller: Security routers IE-SR-2TX are affected by Command Injection CVSS 3.1CRITICAL 9.8
- TI-2025-27617 Weidmueller: Missing Authentication Vulnerability in Industrial Ethernet Switches CVSS 3.1CRITICAL 9.8
- TI-2025-01197 Weidmueller: Authentication Vulnerability due to Hard-coded Credentials CVSS 3.1CRITICAL 9.8
- TI-2025-27618 Weidmueller: Authentication Bypass Vulnerability in Industrial Ethernet Switches CVSS 3.1CRITICAL 9.8
- TI-2019-12470 An issue was discovered on Weidmueller IE-SW-VL05M 3.6.6 Build 16102415, IE-SW-VL08MT… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2025-41687 · CVE Program
- CVE-2025-41687 · NVD
- FIRST EPSS
- GHSA-mc82-ffc8-67rq · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences