Description
A vulnerability was found in Tenda W3 1.0.0.3(2204). Affected by this issue is the function formSetCfm of the file /goform/setcfm of the component HTTP Handler. The manipulation of the argument funcpara1 results in stack-based buffer overflow. The attack can only be performed from the local network. The exploit has been made public and could be used.
Published: 2026-03-12
Score: 8.7 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

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Advisories

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History

Thu, 02 Apr 2026 20:30:00 +0000

Type Values Removed Values Added
First Time appeared Tenda w3 Firmware
Weaknesses CWE-787
CPEs cpe:2.3:h:tenda:w3:-:*:*:*:*:*:*:*
cpe:2.3:o:tenda:w3_firmware:1.0.0.3\(2204\):*:*:*:*:*:*:*
Vendors & Products Tenda w3 Firmware

Thu, 12 Mar 2026 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 12 Mar 2026 10:15:00 +0000

Type Values Removed Values Added
First Time appeared Tenda
Tenda w3
Vendors & Products Tenda
Tenda w3

Thu, 12 Mar 2026 02:00:00 +0000

Type Values Removed Values Added
Description A vulnerability was found in Tenda W3 1.0.0.3(2204). Affected by this issue is the function formSetCfm of the file /goform/setcfm of the component HTTP Handler. The manipulation of the argument funcpara1 results in stack-based buffer overflow. The attack can only be performed from the local network. The exploit has been made public and could be used.
Title Tenda W3 HTTP setcfm formSetCfm stack-based overflow
Weaknesses CWE-119
CWE-121
References
Metrics cvssV2_0

{'score': 8.3, 'vector': 'AV:A/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 8.8, 'vector': 'CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-03-12T16:23:07.504Z

Reserved: 2026-03-11T14:01:12.210Z

Link: CVE-2026-3972

cve-icon Vulnrichment

Updated: 2026-03-12T16:23:04.734Z

cve-icon NVD

Status : Analyzed

Published: 2026-03-12T02:15:58.607

Modified: 2026-04-02T20:08:56.470

Link: CVE-2026-3972

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-03-12T09:54:55Z

Weaknesses