PT-2026-24903 · Tenda · I3+1

Svigo · Published 2026-03-12 · Updated 2026-03-12 · CVE-2026-3971

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 flaw exists in the Tenda i3 device. The formwrlSSIDset function within the /goform/wifiSSIDset file is susceptible to a stack-based buffer overflow when the index/GO argument is manipulated. This allows for remote exploitation. The exploit for this issue has been publicly disclosed.

Recommendations Tenda i3 version 1.0.0.6(2204): At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Stack Overflow

Buffer Overflow

Memory Corruption

Weakness Enumeration

CWE-121

CWE-119

CWE-787

Related Identifiers

CVE-2026-3971

Affected Products

I3

I3 Firmware

References · 12

• 🔥 https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-i3-formwrlSSIDset-go-buffer-overflow · Exploit
• 🔥 https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-i3-formwrlSSIDset-index-buffer-overflow · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-3971 · Security Note
• https://t.me/CVEtracker/47210 · Telegram Post
• https://vuldb.com/?submit.768996 · Note
• https://twitter.com/CveFindCom/status/2031908439459287549 · Twitter Post
• https://tenda.com.cn · Note
• https://twitter.com/CVEarity/status/2032077022080688263 · Twitter Post
• https://vuldb.com/?id.350406 · Note
• https://vuldb.com/?ctiid.350406 · Note
• https://vuldb.com/?submit.768997 · Note
• https://twitter.com/CVEnew/status/2031992351133221282 · Twitter Post