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

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-19790— Tenda G0 httpd Web Management module formSetPortMirror stack-based overflow

Quick assessment

Affected
Tenda G0
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 g0是中国Tenda公司的一款网络服务器设备。 Tenda g0 20260625及之前版本存在缓冲区错误漏洞，该漏洞源于httpd Web Management Interface组件的/goform/module文件中formSetPortMirror函数对参数portMirrorMirroredPorts的操作，导致栈缓冲区溢出，攻击者可远程执行攻击。

CVSS 8.8 · High EPSS 0.85% · P57

Affected Version Matrix 1

VendorProduct Version RangeStatus
Tenda G0 20260625 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-19790

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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 G0 httpd Web Management module formSetPortMirror stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was identified in Tenda G0 up to 20260625. This issue affects the function formSetPortMirror of the file /goform/module of the component httpd Web Management Interface. Such manipulation of the argument portMirrorMirroredPorts leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might 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 g0 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda g0是中国Tenda公司的一款网络服务器设备。 Tenda g0 20260625及之前版本存在缓冲区错误漏洞，该漏洞源于httpd Web Management Interface组件的/goform/module文件中formSetPortMirror函数对参数portMirrorMirroredPorts的操作，导致栈缓冲区溢出，攻击者可远程执行攻击。
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 G0 20260625 cpe:2.3:h:tenda:g0:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-19790

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 8756 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-2026-19790

请登录查看更多情报信息。

Other References for CVE-2026-19790 (4)

Same Patch Batch · Tenda · 2026-08-14 · 9 CVEs total

CVE-2026-19788 8.8 HIGH Tenda AC1206 httpd web management interface SetOnlineDevName set_device_name stack-based o
CVE-2026-19789 8.8 HIGH Tenda AC1206 httpd web management interface WifiGuestSet set_wl_guest_iplist stack-based o
CVE-2026-19791 8.8 HIGH Tenda G0 httpd web management interface module addStaticRoute stack-based overflow
CVE-2026-19792 8.8 HIGH Tenda G0 httpd web management interface module setPortMapping buffer overflow
CVE-2026-19821 8.8 HIGH Tenda AC12 httpd web management interface SetSysAutoRebbotCfg formSetRebootTimer buffer ov
CVE-2026-19822 8.8 HIGH Tenda W20E QoS Edit editQos lstAdd stack-based overflow
CVE-2026-19823 8.8 HIGH Tenda W20E QoS Rule Deletion delQos formQOSRuleDel stack-based overflow
CVE-2026-19824 8.8 HIGH Tenda W20E addIpMacBind ipMacBindListStore stack-based overflow

IV. Related Vulnerabilities

Same product: G0
Same vendor: Tenda
Same weakness: CWE-121

V. Comments for CVE-2026-19790

No comments yet

Leave a comment