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CVE-2025-11418— Tenda CH22 HTTP Request AdvSetWrlsafeset formWrlsafeset stack-based overflow

Quick assessment

Affected
Tenda CH22
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Tenda CH22是中国腾达（Tenda）公司的一款网络设备。 Tenda CH22 1.0.0.1及之前版本存在安全漏洞，该漏洞源于对文件/goform/AdvSetWrlsafeset中参数mit_ssid_index的错误操作，可能导致栈缓冲区溢出。

CVSS 9.8 · Critical EPSS 6.19% · P93
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I. Basic Information for CVE-2025-11418

Vulnerability Information
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Vulnerability Title
Tenda CH22 HTTP Request AdvSetWrlsafeset formWrlsafeset stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been detected in Tenda CH22 up to 1.0.0.1. This issue affects the function formWrlsafeset of the file /goform/AdvSetWrlsafeset of the component HTTP Request Handler. The manipulation of the argument mit_ssid_index leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Tenda CH22 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda CH22是中国腾达（Tenda）公司的一款网络设备。 Tenda CH22 1.0.0.1及之前版本存在安全漏洞，该漏洞源于对文件/goform/AdvSetWrlsafeset中参数mit_ssid_index的错误操作，可能导致栈缓冲区溢出。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Tenda CH22 1.0.0.0 cpe:2.3:o:tenda:ch22_firmware:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2025-11418

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 9251 chars
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III. Intelligence Information for CVE-2025-11418

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Vendor Advisories for CVE-2025-11418 (2)

Proof of Concept for CVE-2025-11418 (1)

IV. Related Vulnerabilities

Same product: CH22
Same vendor: Tenda
Same weakness: CWE-121

V. Comments for CVE-2025-11418

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