Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-11553— Tenda HG7/HG9/HG10 formPPPEdit stack-based overflow

Quick assessment

Affected
Tenda HG7
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 HG10等都是中国腾达（Tenda）公司的产品。Tenda HG10是一个光猫路由器。Tenda HG9是一款WiFi路由器。Tenda HG7是一款双频Wi-Fi光网络终端设备。 Tenda多款产品存在缓冲区错误漏洞，该漏洞源于/boaform/formPPPEdit文件的formPPPEdit函数对参数encodename操作不当，可能导致栈缓冲区溢出。攻击者可远程发起攻击。以下产品及版本受到影响：Tenda HG7、HG9和HG10 300001138_en_xpon版本。

CVSS 8.8 · High EPSS 0.48% · P39

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 3

VendorProduct Version RangeStatus
Tenda HG10 300001138_en_xpon affected
Tenda HG7 300001138_en_xpon affected
Tenda HG9 300001138_en_xpon affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-11553

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Tenda HG7/HG9/HG10 formPPPEdit stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in Tenda HG7, HG9 and HG10 300001138_en_xpon. This affects the function formPPPEdit of the file /boaform/formPPPEdit. The manipulation of the argument encodename results in stack-based buffer overflow. The attack can be launched 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多款产品 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda HG10等都是中国腾达（Tenda）公司的产品。Tenda HG10是一个光猫路由器。Tenda HG9是一款WiFi路由器。Tenda HG7是一款双频Wi-Fi光网络终端设备。 Tenda多款产品存在缓冲区错误漏洞，该漏洞源于/boaform/formPPPEdit文件的formPPPEdit函数对参数encodename操作不当，可能导致栈缓冲区溢出。攻击者可远程发起攻击。以下产品及版本受到影响：Tenda HG7、HG9和HG10 300001138_en_xpon版本。
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 HG7 300001138_en_xpon cpe:2.3:h:tenda:hg7:*:*:*:*:*:*:*:*
Tenda HG9 300001138_en_xpon cpe:2.3:h:tenda:hg9:*:*:*:*:*:*:*:*
Tenda HG10 300001138_en_xpon cpe:2.3:h:tenda:hg10:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-11553

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Qwen3.6-35B-A3B · 8490 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-11553

请登录查看更多情报信息。

Proof of Concept for CVE-2026-11553 (1)

News Coverage for CVE-2026-11553 (1)

Same Patch Batch · Tenda · 2026-06-08 · 12 CVEs total

CVE-2026-11499 9.8 CRITICAL Tenda HG7/HG9/HG10 formDOMAINBLK stack-based overflow
CVE-2026-11498 8.8 HIGH Tenda HG7/HG9/HG10 Web Management voip_other_set asp_voip_OtherSet stack-based overflow
CVE-2026-11503 8.8 HIGH Tenda CX12L Wi-Fi Configuration Endpoint fast_setting_wifi_set form_fast_setting_wifi_set
CVE-2026-11504 8.8 HIGH Tenda CX12L Wi-Fi Schedule Configuration Endpoint openSchedWifi setSchedWifi stack-based o
CVE-2026-11522 8.8 HIGH Tenda W20E setPortMirror formSetPortMirror stack-based overflow
CVE-2026-11523 8.8 HIGH Tenda W20E Web Management PortalAuth formPortalAuth stack-based overflow
CVE-2026-11524 8.8 HIGH Tenda W20E Web Management modifyWifiFilterRules stack-based overflow
CVE-2026-11528 8.8 HIGH Tenda AC18 Web Management getRebootStatus sub_45304 stack-based overflow
CVE-2026-11556 8.8 HIGH Tenda F451 Web Management WriteFacMac formWriteFacMac os command injection
CVE-2026-11557 8.8 HIGH Tenda F451 Web Management Natlimit fromNatlimit stack-based overflow
CVE-2026-11493 5.0 MEDIUM Tenda AC15 Samba smb.conf weak password

IV. Related Vulnerabilities

Same product: HG7
Same vendor: Tenda
Same weakness: CWE-121

V. Comments for CVE-2026-11553

No comments yet

Leave a comment