CVE-2026-4042
Tenda i12 WifiMacFilterGet formWifiMacFilterGet stack-based overflow
Description
A weakness has been identified in Tenda i12 1.0.0.6(2204). The affected element is the function formWifiMacFilterGet of the file /goform/WifiMacFilterGet. This manipulation of the argument index causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks.
INFO
Published Date :
March 12, 2026, 3:16 p.m.
Last Modified :
April 2, 2026, 8:04 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
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 the firmware on Tenda i12 devices.
- Apply vendor-provided patches.
- Monitor for any security advisories.
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-2026-4042.
| URL | Resource |
|---|---|
| https://github.com/Jimi-Lab/cve/issues/2 | Exploit Third Party Advisory |
| https://vuldb.com/?ctiid.350654 | Permissions Required VDB Entry |
| https://vuldb.com/?id.350654 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.769463 | 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-2026-4042 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-2026-4042
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-2026-4042 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-4042 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/2 Types: Exploit, Third Party Advisory Added Reference Type VulDB: https://vuldb.com/?ctiid.350654 Types: Permissions Required, VDB Entry Added Reference Type VulDB: https://vuldb.com/?id.350654 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.769463 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 weakness has been identified in Tenda i12 1.0.0.6(2204). The affected element is the function formWifiMacFilterGet of the file /goform/WifiMacFilterGet. This manipulation of the argument index causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been made available to the public and could 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/2 Added Reference https://vuldb.com/?ctiid.350654 Added Reference https://vuldb.com/?id.350654 Added Reference https://vuldb.com/?submit.769463 Added Reference https://www.tenda.com.cn/