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CVE-2025-26412— Undocumented Root Shell Access in SIMCom SIM7600G Modem

Quick assessment

Affected
SIMCom SIM7600G Modem
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.

SIMCom SIM7600G是中国芯讯通（SIMCom）公司的一款4G芯片。 SIMCom SIM7600G存在安全漏洞，该漏洞源于支持未记录的AT命令，可能导致以root权限执行系统命令。

AI Predicted 8.1 Difficulty: Moderate EPSS 0.26% · P17
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I. Basic Information for CVE-2025-26412

Vulnerability Information
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Vulnerability Title
Undocumented Root Shell Access in SIMCom SIM7600G Modem
Source: CVE Program / CVE List V5
Vulnerability Description
The SIMCom SIM7600G modem supports an undocumented AT command, which allows an attacker to execute system commands with root permission on the modem. An attacker needs either physical access or remote shell access to a device that interacts directly with the modem via AT commands.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
隐藏功能
Source: CVE Program / CVE List V5
Vulnerability Title
SIMCom SIM7600G 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SIMCom SIM7600G是中国芯讯通（SIMCom）公司的一款4G芯片。 SIMCom SIM7600G存在安全漏洞，该漏洞源于支持未记录的AT命令，可能导致以root权限执行系统命令。
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
SIMCom SIM7600G Modem LE20B03SIM7600M21-A -

II. Public POCs for CVE-2025-26412

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III. Intelligence Information for CVE-2025-26412

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Security Blog Posts for CVE-2025-26412 (1)

IV. Related Vulnerabilities

Same weakness: CWE-912

V. Comments for CVE-2025-26412

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