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CVE-2026-2910— Tenda HG9 formPing6 stack-based overflow

Quick assessment

Affected
Tenda HG9
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 HG9是中国腾达（Tenda）公司的一款WiFi路由器。 Tenda HG9 300001138版本存在安全漏洞，该漏洞源于对文件/boaform/formPing6中参数pingAddr的错误操作，可能导致栈缓冲区溢出。

CVSS 8.8 · High EPSS 1.03% · P62
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I. Basic Information for CVE-2026-2910

Vulnerability Information
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Vulnerability Title
Tenda HG9 formPing6 stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw has been found in Tenda HG9 300001138. This vulnerability affects unknown code of the file /boaform/formPing6. Executing a manipulation of the argument pingAddr 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 HG9 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda HG9是中国腾达（Tenda）公司的一款WiFi路由器。 Tenda HG9 300001138版本存在安全漏洞，该漏洞源于对文件/boaform/formPing6中参数pingAddr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 HG9 300001138 -

II. Public POCs for CVE-2026-2910

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III. Intelligence Information for CVE-2026-2910

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Same Patch Batch · Tenda · 2026-02-22 · 8 CVEs total

CVE-2026-2911 8.8 HIGH Tenda FH451 GstDhcpSetSer buffer overflow
CVE-2026-2909 8.8 HIGH Tenda HG9 Diagnostic Ping Endpoint formPing stack-based overflow
CVE-2026-2908 8.8 HIGH Tenda HG9 Loopback Detection Configuration Endpoint formLoopBack stack-based overflow
CVE-2026-2907 8.8 HIGH Tenda HG9 GPON Configuration Endpoint formgponConf stack-based overflow
CVE-2026-2906 8.8 HIGH Tenda HG9 Samba Configuration Endpoint formSamba stack-based overflow
CVE-2026-2905 8.8 HIGH Tenda HG9 Wireless Configuration Endpoint formWlanSetup stack-based overflow
CVE-2026-2930 6.3 MEDIUM Tenda A18 Httpd Service UploadCfg webCgiGetUploadFile stack-based overflow

IV. Related Vulnerabilities

Same product: HG9
Same vendor: Tenda
Same weakness: CWE-121

V. Comments for CVE-2026-2910

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