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CVE-2026-7469— Tenda 4G300 DelFil sub_425A28 command injection

Quick assessment

Affected
Tenda 4G300
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.

Tenda 4G300是中国腾达（Tenda）公司的一款无线路由器。 Tenda 4G300 US_4G300V1.0Mt_V1.01.42_CN_TDC01版本存在注入漏洞，该漏洞源于文件/goform/DelFil中函数sub_425A28对参数delflag的操作，可能导致命令注入。

CVSS 6.3 · Medium EPSS 1.31% · P68

Affected Version Matrix 1

VendorProduct Version RangeStatus
Tenda 4G300 US_4G300V1.0Mt_V1.01.42_CN_TDC01 affected
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I. Basic Information for CVE-2026-7469

Vulnerability Information
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Vulnerability Title
Tenda 4G300 DelFil sub_425A28 command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was detected in Tenda 4G300 US_4G300V1.0Mt_V1.01.42_CN_TDC01. This impacts the function sub_425A28 of the file /goform/DelFil. The manipulation of the argument delflag results in command injection. The attack may be launched remotely. The exploit is now public and may be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Tenda 4G300 注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda 4G300是中国腾达（Tenda）公司的一款无线路由器。 Tenda 4G300 US_4G300V1.0Mt_V1.01.42_CN_TDC01版本存在注入漏洞，该漏洞源于文件/goform/DelFil中函数sub_425A28对参数delflag的操作，可能导致命令注入。
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
Tenda 4G300 US_4G300V1.0Mt_V1.01.42_CN_TDC01 cpe:2.3:o:tenda:4g300_firmware:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-7469

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III. Intelligence Information for CVE-2026-7469

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News Coverage for CVE-2026-7469 (1)

IV. Related Vulnerabilities

Same product: 4G300
Same vendor: Tenda
Same weakness: CWE-77

V. Comments for CVE-2026-7469

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