PT-2026-23978 · Tenda · Tenda I3

Svigo · Published 2026-03-08 · Updated 2026-03-13 · CVE-2026-3804

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Tenda i3 version 1.0.0.6(2204)

Description A security flaw exists in Tenda i3. This issue affects the formWifiMacFilterSet function within the /goform/WifiMacFilterSet file. Manipulation of the index argument can lead to a stack-based buffer overflow, allowing for remote attacks. The exploit for this issue has been publicly released and may be used in attacks.

Recommendations Update to a newer version that contains a fix for this vulnerability. As a temporary workaround, consider restricting access to the /goform/WifiMacFilterSet file to minimize the risk of exploitation.

Exploit

Fix

Stack Overflow

Buffer Overflow

Weakness Enumeration

CWE-121

CWE-119

Related Identifiers

CVE-2026-3804

Affected Products

Tenda I3

References · 18

• 🔥 https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-i3-formWifiMacFilterSet-index-buffer-overflow · Exploit
• https://osv.dev/vulnerability/CVE-2026-3804 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-3804 · Security Note
• https://vuldb.com/?submit.768985 · Note
• https://tenda.com.cn · Note
• https://twitter.com/VulmonFeeds/status/2030898071320584611 · Twitter Post
• https://t.me/cveNotify/154745 · Telegram Post
• https://vuldb.com/?id.349771 · Note
• https://twitter.com/cracbot/status/2032049136560992620 · Twitter Post
• https://twitter.com/CVEarity/status/2031421408606302694 · Twitter Post
• https://twitter.com/CveFindCom/status/2030896792653472177 · Twitter Post
• https://twitter.com/cracbot/status/2032411474426220663 · Twitter Post
• https://t.me/CVEtracker/46866 · Telegram Post
• https://twitter.com/vuldb/status/2030978950768611743 · Twitter Post
• https://twitter.com/vuldb/status/2030625882046619879 · Twitter Post