9.0
HIGH CVSS 2.0
CVE-2026-4041
Tenda i12 exeCommand vos_strcpy stack-based overflow
Description

A security flaw has been discovered in Tenda i12 1.0.0.6(2204). Impacted is the function vos_strcpy of the file /goform/exeCommand. The manipulation of the argument cmdinput results in stack-based buffer overflow. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.

INFO

Published Date :

March 12, 2026, 3:16 p.m.

Last Modified :

April 2, 2026, 8:05 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-4041 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.

ID Vendor Product Action
1 Tenda i12
2 Tenda i12_firmware
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
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
The stack-based buffer overflow in vos_strcpy can be resolved by updating the device firmware.
  • Update the device firmware to the latest version.
  • Restrict network access to the affected device.
  • Monitor for suspicious network activity.
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-2026-4041.

URL Resource
https://github.com/Jimi-Lab/cve/issues/1 Exploit Third Party Advisory Issue Tracking
https://vuldb.com/?ctiid.350653 Permissions Required VDB Entry
https://vuldb.com/?id.350653 Third Party Advisory VDB Entry
https://vuldb.com/?submit.769462 Third Party Advisory VDB Entry
https://www.tenda.com.cn/ Product
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-4041 is associated with the following CWEs:

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-2026-4041 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-4041 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.

  • Initial Analysis by [email protected]

    Apr. 02, 2026

    Action Type Old Value New Value
    Added CWE CWE-787
    Added CPE Configuration AND OR *cpe:2.3:o:tenda:i12_firmware:1.0.0.6(2204):*:*:*:*:*:*:* OR cpe:2.3:h:tenda:i12:-:*:*:*:*:*:*:*
    Added Reference Type VulDB: https://github.com/Jimi-Lab/cve/issues/1 Types: Exploit, Issue Tracking, Third Party Advisory
    Added Reference Type VulDB: https://vuldb.com/?ctiid.350653 Types: Permissions Required, VDB Entry
    Added Reference Type VulDB: https://vuldb.com/?id.350653 Types: Third Party Advisory, VDB Entry
    Added Reference Type VulDB: https://vuldb.com/?submit.769462 Types: Third Party Advisory, VDB Entry
    Added Reference Type VulDB: https://www.tenda.com.cn/ Types: Product
  • New CVE Received by [email protected]

    Mar. 12, 2026

    Action Type Old Value New Value
    Added Description A security flaw has been discovered in Tenda i12 1.0.0.6(2204). Impacted is the function vos_strcpy of the file /goform/exeCommand. The manipulation of the argument cmdinput results in stack-based buffer overflow. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.
    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/Jimi-Lab/cve/issues/1
    Added Reference https://vuldb.com/?ctiid.350653
    Added Reference https://vuldb.com/?id.350653
    Added Reference https://vuldb.com/?submit.769462
    Added Reference https://www.tenda.com.cn/
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.