CVE-2025-26411 - CVE House
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Status published Unknown CVE-2025-26411

Authenticated Arbitrary Python File Upload via Plugin Manager

Vulnerability Description

An authenticated attacker is able to use the Plugin Manager of the web interface of the Wattsense Bridge devices to upload malicious Python files to the device. This enables an attacker to gain remote root access to the device. An attacker needs a valid user account on the Wattsense web interface to be able to conduct this attack. This issue is fixed in recent firmware versions BSP >= 6.1.0.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Constantin Schieber-Knöbl | SEC Consult Vulnerability Lab
  • Stefan Schweighofer | SEC Consult Vulnerability Lab
  • Steffen Robertz | SEC Consult Vulnerability Lab

References

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Affected Vendor

Affected Software

Wattsense Bridge
Vulnerable Versions:
0

Timeline

Official Publish: February 11th, 2025
Last Modified: November 3rd, 2025
Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

CWE-434

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1505.003 Web Shell
Persistence
T1105 Ingress Tool Transfer
Command and Control
T1059 Command and Scripting Interpreter
Execution
T1565.002 Stored Data Manipulation
Impact