CVE-2026-3400
Tenda AC15 TextEditingConversion stack-based overflow
Description
A security flaw has been discovered in Tenda AC15 up to 15.13.07.13. Affected by this issue is some unknown functionality of the file /goform/TextEditingConversion. The manipulation of the argument wpapsk_crypto2_4g results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks.
INFO
Published Date :
March 2, 2026, 12:16 a.m.
Last Modified :
March 3, 2026, 7:48 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 3.1 | CRITICAL | [email protected] | ||||
| CVSS 4.0 | HIGH | [email protected] |
Solution
- Update Tenda AC15 firmware to a patched version.
- Apply vendor-released security updates immediately.
- Restrict remote access to the affected device.
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-2026-3400.
| URL | Resource |
|---|---|
| https://vuldb.com/?ctiid.348295 | Permissions Required VDB Entry |
| https://vuldb.com/?id.348295 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.760109 | Third Party Advisory VDB Entry |
| https://www.tenda.com.cn/ | Product |
| https://www.yuque.com/ba1ma0-an29k/nnxoap/tzg68iadbmqx6esm?singleDoc# | Exploit Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-3400 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-2026-3400
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-2026-3400 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-3400 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]
Mar. 03, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-787 Added CPE Configuration AND OR *cpe:2.3:o:tenda:ac15_firmware:*:*:*:*:*:*:*:* versions up to (including) 15.13.07.13 OR cpe:2.3:h:tenda:ac15:-:*:*:*:*:*:*:* Added Reference Type VulDB: https://vuldb.com/?ctiid.348295 Types: Permissions Required, VDB Entry Added Reference Type VulDB: https://vuldb.com/?id.348295 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.760109 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://www.tenda.com.cn/ Types: Product Added Reference Type VulDB: https://www.yuque.com/ba1ma0-an29k/nnxoap/tzg68iadbmqx6esm?singleDoc# Types: Exploit, Third Party Advisory -
New CVE Received by [email protected]
Mar. 02, 2026
Action Type Old Value New Value Added Description A security flaw has been discovered in Tenda AC15 up to 15.13.07.13. Affected by this issue is some unknown functionality of the file /goform/TextEditingConversion. The manipulation of the argument wpapsk_crypto2_4g results in stack-based buffer overflow. The attack may 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://vuldb.com/?ctiid.348295 Added Reference https://vuldb.com/?id.348295 Added Reference https://vuldb.com/?submit.760109 Added Reference https://www.tenda.com.cn/ Added Reference https://www.yuque.com/ba1ma0-an29k/nnxoap/tzg68iadbmqx6esm?singleDoc#