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CVE-2025-5619— Tenda CH22 addUserName formaddUserName 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版本存在安全漏洞，该漏洞源于文件/goform/addUserName中参数Password的错误操作导致栈缓冲区溢出。

CVSS 8.8 · High EPSS 1.20% · P66
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I. Basic Information for CVE-2025-5619

Vulnerability Information
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Vulnerability Title
Tenda CH22 addUserName formaddUserName stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability, which was classified as critical, has been found in Tenda CH22 1.0.0.1. This issue affects the function formaddUserName of the file /goform/addUserName. The manipulation of the argument Password leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the 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: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版本存在安全漏洞，该漏洞源于文件/goform/addUserName中参数Password的错误操作导致栈缓冲区溢出。
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)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Tenda CH22 1.0.0.1 -

II. Public POCs for CVE-2025-5619

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 8090 chars
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III. Intelligence Information for CVE-2025-5619

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News Coverage for CVE-2025-5619 (1)

Same Patch Batch · Tenda · 2025-06-04 · 5 CVEs total

CVE-2025-5609 8.8 HIGH Tenda AC18 AdvSetLanip fromadvsetlanip buffer overflow
CVE-2025-5608 8.8 HIGH Tenda AC18 SetSysAutoRebbotCfg formsetreboottimer buffer overflow
CVE-2025-5607 8.8 HIGH Tenda AC18 setPptpUserList formSetPPTPUserList buffer overflow
CVE-2025-5606 6.3 MEDIUM Tenda AC18 SetIPTVCfg formSetIptv command injection

IV. Related Vulnerabilities

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

V. Comments for CVE-2025-5619

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