Tenda AC15 up to 15.13.07.13 TextEditingConversion wpapsk_crypto2_4g stack-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.9$0-$5k0.00

Summaryinfo

A vulnerability has been found in Tenda AC15 up to 15.13.07.13 and classified as critical. This affects an unknown part of the file /goform/TextEditingConversion. This manipulation of the argument wpapsk_crypto2_4g causes stack-based overflow. This vulnerability is registered as CVE-2026-3400. Remote exploitation of the attack is possible. Furthermore, an exploit is available.

Detailsinfo

A vulnerability has been found in Tenda AC15 up to 15.13.07.13 and classified as critical. Affected by this vulnerability is an unknown part of the file /goform/TextEditingConversion. The manipulation of the argument wpapsk_crypto2_4g with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability.

It is possible to read the advisory at yuque.com. This vulnerability is known as CVE-2026-3400. The exploitation appears to be easy. The attack can be launched remotely. Technical details and also a public exploit are known.

It is possible to download the exploit at yuque.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at CNNVD (CNNVD-202603-021) and EUVD (EUVD-2026-9133). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 9.1
VulDB Meta Temp Score: 8.9

VulDB Base Score: 8.8
VulDB Temp Score: 8.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔒

CNA Base Score: 8.8
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

03/01/2026 Advisory disclosed
03/01/2026 +0 days VulDB entry created
03/03/2026 +2 days VulDB entry last update

Sourcesinfo

Vendor: tenda.com.cn

Advisory: yuque.com
Status: Not defined

CVE: CVE-2026-3400 (🔒)
GCVE (CVE): GCVE-0-2026-3400
GCVE (VulDB): GCVE-100-348295
EUVD: 🔒
CNNVD: CNNVD-202603-021 - Tenda AC15 安全漏洞

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/01/2026 07:41
Updated: 03/03/2026 23:29
Changes: 03/01/2026 07:41 (56), 03/02/2026 02:17 (31), 03/02/2026 03:19 (1), 03/02/2026 17:13 (6), 03/03/2026 15:23 (1), 03/03/2026 23:29 (11)
Complete: 🔍
Submitter: Xuhsy
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #760109: Tenda A15 V15.13.07.13 Stack-based Buffer Overflow (by Xuhsy)

Be aware that VulDB is the high quality source for vulnerability data.

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