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CVE-2022-26941— Format string vulnerability in AT+CTGL command in Motorola MTM5000

Quick assessment

Affected
Motorola Mobile Radio
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.

Motorola MTM5000是美国摩托罗拉（Motorola）公司的一种移动收音机。 Motorola MTM5000 存在安全漏洞，该漏洞源于命令处理程序中的 AT+CTGL 命令存在格式字符串漏洞，导致出现随处写入的情况，攻击者利用该漏洞可以在 teds_app 二进制文件中获得任意代码执行，该二进制文件以 root 权限运行。

CVSS 9.6 · Critical EPSS 0.36% · P30

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-26941

Vulnerability Information
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Vulnerability Title
Format string vulnerability in AT+CTGL command in Motorola MTM5000
Source: CVE Program / CVE List V5
Vulnerability Description
A format string vulnerability exists in Motorola MTM5000 series firmware AT command handler for the AT+CTGL command. An attacker-controllable string is improperly handled, allowing for a write-anything-anywhere scenario. This can be leveraged to obtain arbitrary code execution inside the teds_app binary, which runs with root privileges.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用外部控制的格式字符串
Source: CVE Program / CVE List V5
Vulnerability Title
Motorola MTM5000 格式化字符串错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Motorola MTM5000是美国摩托罗拉（Motorola）公司的一种移动收音机。 Motorola MTM5000 存在安全漏洞，该漏洞源于命令处理程序中的 AT+CTGL 命令存在格式字符串漏洞，导致出现随处写入的情况，攻击者利用该漏洞可以在 teds_app 二进制文件中获得任意代码执行，该二进制文件以 root 权限运行。
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
Motorola Mobile Radio MTM5000 -

II. Public POCs for CVE-2022-26941

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III. Intelligence Information for CVE-2022-26941

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Other References for CVE-2022-26941 (1)

Same Patch Batch · Motorola · 2023-10-19 · 4 CVEs total

CVE-2022-26943 8.8 HIGH Weak PRNG entropy source used for authentication challenge generation in Motorola MTM5000
CVE-2022-26942 8.2 HIGH Multiple missing pointer validation checks in trusted execution module in Motorola MTM5000
CVE-2022-27813 8.1 HIGH Unconfigured memory protection modules in Motorola MTM5000

IV. Related Vulnerabilities

Same product: Mobile Radio
Same vendor: Motorola
Same weakness: CWE-134

V. Comments for CVE-2022-26941

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