CVE-2026-6197— Tenda F456 AdvSetWrlsafeset formWrlsafeset stack-based overflow
Quick assessment
Affected
Tenda F456
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 F456是中国腾达（Tenda）公司的一款无线路由器。 Tenda F456 1.0.0.5版本存在安全漏洞，该漏洞源于文件/goform/AdvSetWrlsafeset的函数formWrlsafeset对参数mit_ssid的操作存在栈缓冲区溢出。
Possible ATT&CK Techniques 2 AI
T1190 · Exploit Public-Facing Application T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2026-6197
Vulnerability Information
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Vulnerability Title
Tenda F456 AdvSetWrlsafeset formWrlsafeset stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw has been found in Tenda F456 1.0.0.5. This vulnerability affects the function formWrlsafeset of the file /goform/AdvSetWrlsafeset. Executing a manipulation of the argument mit_ssid can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been published 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 F456 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda F456是中国腾达（Tenda）公司的一款无线路由器。 Tenda F456 1.0.0.5版本存在安全漏洞，该漏洞源于文件/goform/AdvSetWrlsafeset的函数formWrlsafeset对参数mit_ssid的操作存在栈缓冲区溢出。
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
II. Public POCs for CVE-2026-6197
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2026-6197 (1)
Same Patch Batch · Tenda · 2026-04-13 · 5 CVEs total
| CVE-2026-6200 | 8.8 HIGH | Tenda F456 webtypelibrary formwebtypelibrary stack-based overflow |
| CVE-2026-6199 | 8.8 HIGH | Tenda F456 qossetting fromqossetting stack-based overflow |
| CVE-2026-6198 | 8.8 HIGH | Tenda F456 NatStaticSetting fromNatStaticSetting stack-based overflow |
| CVE-2026-6196 | 8.8 HIGH | Tenda F456 exeCommand fromexeCommand stack-based overflow |
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V. Comments for CVE-2026-6197
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