CVE-2026-3976

HIGH EPSS 45.9%
Published Mar 12, 20263mo ago · Modified Apr 2, 20262mo ago
7.4 CVSS 4.0
High
Find Similar
Published Mar 12, 2026 3mo ago
Last Modified Apr 2, 2026 2mo ago

Description

A weakness has been identified in Tenda W3 1.0.0.3(2204). Impacted is the function formWifiMacFilterSet of the file /goform/WifiMacFilterSet of the component POST Parameter Handler. Executing a manipulation of the argument index/GO can lead to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks.

CVSS Details

Base Score
7.4
Exploitability
—
Impact
—
Vector string
CVSS:4.0/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
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
45.9% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 3

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety
CWE-121
CWE-787 Out-of-bounds Write Memory Safety

Affected Products 2

VendorProductVersionRange
tendaw3_firmware1.0.0.3\(2204\)any
tendaw3*any

References 7

  • github.com https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-w3-formWifiMacFilterSet-go-buffer-overflow
    ExploitThird Party Advisory
  • github.com https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-w3-formWifiMacFilterSet-index-buffer-overflow
    ExploitThird Party Advisory
  • vuldb.com https://vuldb.com/?ctiid.350411
    Permissions RequiredVDB Entry
  • vuldb.com https://vuldb.com/?id.350411
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.769179
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.769180
    Third Party AdvisoryVDB Entry
  • tenda.com.cn https://www.tenda.com.cn/
    Product

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.