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CVE-2026-5036— Tenda 4G06 Endpoint DhcpListClient fromDhcpListClient stack-based overflow

Quick assessment

Affected
Tenda 4G06
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 4G06是中国腾达（Tenda）公司的一个无线路由器。 Tenda 4G06 04.06.01.29版本存在安全漏洞，该漏洞源于对文件/goform/DhcpListClient中参数page的操作不当，可能导致栈缓冲区溢出。

CVSS 8.8 · High EPSS 0.94% · P60
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I. Basic Information for CVE-2026-5036

Vulnerability Information
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Vulnerability Title
Tenda 4G06 Endpoint DhcpListClient fromDhcpListClient stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in Tenda 4G06 04.06.01.29. This vulnerability affects the function fromDhcpListClient of the file /goform/DhcpListClient of the component Endpoint. Performing a manipulation of the argument page results in stack-based buffer overflow. The attack can be initiated 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: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 4G06 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda 4G06是中国腾达（Tenda）公司的一个无线路由器。 Tenda 4G06 04.06.01.29版本存在安全漏洞，该漏洞源于对文件/goform/DhcpListClient中参数page的操作不当，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 4G06 04.06.01.29 -

II. Public POCs for CVE-2026-5036

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 8291 chars
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III. Intelligence Information for CVE-2026-5036

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Vendor Advisories for CVE-2026-5036 (2)

Same Patch Batch · Tenda · 2026-03-29 · 4 CVEs total

CVE-2026-5046 8.8 HIGH Tenda FH1201 Parameter WrlExtraSet formWrlExtraSet stack-based overflow
CVE-2026-5045 8.8 HIGH Tenda FH1201 Parameter WrlclientSet stack-based overflow
CVE-2026-5021 8.8 HIGH Tenda F453 httpd PPTPUserSetting fromPPTPUserSetting stack-based overflow

IV. Related Vulnerabilities

Same vendor: Tenda
Same weakness: CWE-121

V. Comments for CVE-2026-5036

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