CVE-2026-3803

HIGH

Tenda i3 1.0.0.6(2204) - Buffer Overflow

Title source: llm
STIX 2.1

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.

References (5)

Core 5
Core References
Permissions Required, VDB Entry vdb-entry technical-description
https://vuldb.com/?id.349770
Permissions Required, VDB Entry signature permissions-required
https://vuldb.com/?ctiid.349770
Permissions Required, VDB Entry third-party-advisory
https://vuldb.com/?submit.768984
Various Sources product
https://www.tenda.com.cn/

Scores

CVSS v3 8.8
EPSS 0.0063
EPSS Percentile 45.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-119 CWE-121
Status published
Products (1)
tenda/i3_firmware 1.0.0.6\(2204\)
Published Mar 09, 2026
Tracked Since Mar 09, 2026