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CVE-2026-3728— Tenda F453 setcfm fromSetCfm stack-based overflow

Quick assessment

Affected
Tenda F453
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 F453是中国腾达（Tenda）公司的一款无线路由器。 Tenda F453 1.0.0.3/1.If版本存在安全漏洞，该漏洞源于对文件/goform/setcfm中参数funcname/funcpara1的错误操作，可能导致栈缓冲区溢出。

CVSS 8.8 · High EPSS 1.01% · P62

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-3728

Vulnerability Information
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Vulnerability Title
Tenda F453 setcfm fromSetCfm stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was determined in Tenda F453 1.0.0.3/1.If. This issue affects the function fromSetCfm of the file /goform/setcfm. This manipulation of the argument funcname/funcpara1 causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized.
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 F453 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda F453是中国腾达（Tenda）公司的一款无线路由器。 Tenda F453 1.0.0.3/1.If版本存在安全漏洞，该漏洞源于对文件/goform/setcfm中参数funcname/funcpara1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)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Tenda F453 1.0.0.3 cpe:2.3:o:tenda:f453_firmware:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-3728

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 6774 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
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Trigger conditions & impact
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Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-3728

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Vendor Advisories for CVE-2026-3728 (2)

News Coverage for CVE-2026-3728 (1)

Same Patch Batch · Tenda · 2026-03-08 · 7 CVEs total

CVE-2026-3769 8.8 HIGH Tenda F453 WrlclientSet stack-based overflow
CVE-2026-3768 8.8 HIGH Tenda F453 WrlExtraSet formWrlExtraSet stack-based overflow
CVE-2026-3732 8.8 HIGH Tenda F453 exeCommand strcpy stack-based overflow
CVE-2026-3729 8.8 HIGH Tenda F453 PPTPDClient fromPptpUserAdd stack-based overflow
CVE-2026-3727 8.8 HIGH Tenda F453 QuickIndex sub_3C6C0 stack-based overflow
CVE-2026-3726 8.8 HIGH Tenda F453 webExcptypemanFilter fromwebExcptypemanFilter stack-based overflow

IV. Related Vulnerabilities

Same product: F453
Same vendor: Tenda
Same weakness: CWE-121

V. Comments for CVE-2026-3728

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