CVE-2026-3803

Tenda i3 WifiMacFilterGet formWifiMacFilterGet stack-based overflow

HIGH
8.8
CVSS Score
Published: March 9, 2026 at 05:02 AM UTC
Updated: June 17, 2026 at 10:44 AM UTC
2 products affected across 1 vendorI3 FirmwareI3

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Severity
HIGH8.8
Exploit prediction
EPSS 0.7%
SSVC
PoC

Description

A vulnerability was identified in Tenda i3 1.0.0.6(2204). This affects the function formWifiMacFilterGet of the file /goform/WifiMacFilterGet. The manipulation of the argument index leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit is publicly available and might be used.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/?id.349770
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/?ctiid.349770
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.768984
Product
Source: cverecord
https://www.tenda.com.cn/

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHVulDB
Vector?

Quick Info

StatusANALYZED
CWE
CWE-121CWE-119

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