CVE-2026-19790
Tenda G0 httpd Web Management module formSetPortMirror stack-based overflow
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.
INFO
Published Date :
Aug. 14, 2026, 4:16 a.m.
Last Modified :
Aug. 14, 2026, 4:16 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-19790
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | HIGH | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | HIGH | [email protected] |
Solution
- Update Tenda G0 firmware to the latest version.
- Apply vendor-provided patches for the httpd component.
- Restrict remote access to the web management interface.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-19790.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-19790 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-19790
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-19790 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-19790 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Aug. 14, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:2.3:h:tenda:g0:*:*:*:*:*:*:*:*'], 'vendor': 'Tenda', 'modules': ['httpd Web Management Interface'], 'product': 'G0', 'versions': [{'status': 'affected', 'version': '20260625'}]}] Added 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. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CVSS V2 (AV:N/AC:L/Au:S/C:C/I:C/A:C) Added CWE CWE-119 Added CWE CWE-121 Added Reference https://github.com/lipenghai/iot_bug/blob/main/Tenda/G0/1.md Added Reference https://vuldb.com/cve/CVE-2026-19790 Added Reference https://vuldb.com/submit/868924 Added Reference https://vuldb.com/vuln/389757 Added Reference https://vuldb.com/vuln/389757/cti Added Reference https://www.tenda.com.cn/