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CVE-2025-11423— Tenda CH22 SafeEmailFilter formSafeEmailFilter memory corruption

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版本存在缓冲区错误漏洞，该漏洞源于对文件/goform/SafeEmailFilter中参数page的错误操作，可能导致内存损坏。

CVSS 9.8 · Critical EPSS 0.86% · P57

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-11423

Vulnerability Information
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Vulnerability Title
Tenda CH22 SafeEmailFilter formSafeEmailFilter memory corruption
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in Tenda CH22 1.0.0.1. This affects the function formSafeEmailFilter of the file /goform/SafeEmailFilter. Performing a manipulation of the argument page results in memory corruption. The attack is possible to be carried out remotely. The exploit has been made public and could 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
内存缓冲区边界内操作的限制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Tenda CH22 缓冲区错误漏洞
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版本存在缓冲区错误漏洞，该漏洞源于对文件/goform/SafeEmailFilter中参数page的错误操作，可能导致内存损坏。
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)

Shenlong Deep Dive — AI Deep Analysis

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Tenda CH22 1.0.0.1 cpe:2.3:o:tenda:ch22_firmware:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2025-11423

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 8159 chars
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III. Intelligence Information for CVE-2025-11423

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Vendor Advisories for CVE-2025-11423 (2)

Proof of Concept for CVE-2025-11423 (1)

IV. Related Vulnerabilities

Same product: CH22
Same vendor: Tenda
Same weakness: CWE-119

V. Comments for CVE-2025-11423

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