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CVE-2025-26409— Access to Bootloader and Shell Over Serial Interface

Quick assessment

Affected
Wattsense Wattsense Bridge
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.

Wattsense Bridge是Wattsense公司的一款直观且功能强大的物联网网关。 Wattsense Bridge存在安全漏洞。攻击者利用该漏洞可以获取设备上的 root shell。

AI Predicted 7.8 Difficulty: Easy EPSS 0.33% · P24

Possible ATT&CK Techniques 1 AI

T1059.014
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I. Basic Information for CVE-2025-26409

Vulnerability Information
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Vulnerability Title
Access to Bootloader and Shell Over Serial Interface
Source: CVE Program / CVE List V5
Vulnerability Description
A serial interface can be accessed with physical access to the PCB of Wattsense Bridge devices. After connecting to the interface, access to the bootloader is possible, as well as a Linux login prompt. The bootloader access can be used to gain a root shell on the device. This issue is fixed in recent firmware versions BSP >= 6.4.1.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1299
Source: CVE Program / CVE List V5
Vulnerability Title
Wattsense Bridge 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Wattsense Bridge是Wattsense公司的一款直观且功能强大的物联网网关。 Wattsense Bridge存在安全漏洞。攻击者利用该漏洞可以获取设备上的 root shell。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Wattsense Wattsense Bridge 0 ~ 6.4.1 -

II. Public POCs for CVE-2025-26409

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III. Intelligence Information for CVE-2025-26409

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Vendor Advisories for CVE-2025-26409 (1)

Vendor Pages for CVE-2025-26409 (1)

Same Patch Batch · Wattsense · 2025-02-11 · 4 CVEs total

CVE-2025-26408 Unprotected JTAG Interface
CVE-2025-26410 Weak Hard-coded Credentials
CVE-2025-26411 Authenticated Arbitrary Python File Upload via Plugin Manager

IV. Related Vulnerabilities

Same product: Wattsense Bridge
Same vendor: Wattsense
Same weakness: CWE-1299

V. Comments for CVE-2025-26409

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