Tenda W3 1.0.0.3(2204) HTTP /goform/exeCommand formexeCommand cmdinput stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability has been found in Tenda W3 1.0.0.3(2204) and classified as critical. This issue affects the function formexeCommand of the file /goform/exeCommand of the component HTTP Handler. Performing a manipulation of the argument cmdinput results in stack-based overflow. This vulnerability is cataloged as CVE-2026-3974. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Tenda W3 1.0.0.3(2204). This affects the function formexeCommand of the file /goform/exeCommand of the component HTTP Handler. The manipulation of the argument cmdinput with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as 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). This is going to have an impact on confidentiality, integrity, and availability.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-3974. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details and a public exploit are known.

The exploit is shared for download at github.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.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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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: 8.8
VulDB Meta Temp Score: 8.4

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

CNA Base Score: 8.8
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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

03/11/2026 Advisory disclosed
03/11/2026 +0 days VulDB entry created
03/17/2026 +6 days VulDB entry last update

Sourcesinfo

Vendor: tenda.com.cn

Advisory: github.com
Status: Not defined

CVE: CVE-2026-3974 (🔒)
GCVE (CVE): GCVE-0-2026-3974
GCVE (VulDB): GCVE-100-350409
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/11/2026 15:07
Updated: 03/17/2026 08:03
Changes: 03/11/2026 15:07 (58), 03/17/2026 08:03 (32)
Complete: 🔍
Submitter: Svigo_o
Cache ID: 216:449:103

Submitinfo

Accepted

Duplicate

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