PT-2026-24907 · Tenda · W3+1

Svigo_O · Published 2026-03-12 · Updated 2026-03-12 · CVE-2026-3973

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 W3 version 1.0.0.3(2204)

Description A flaw exists in the Tenda W3 device. This issue affects the formSetAutoPing function within the /goform/setAutoPing file of the POST Parameter Handler component. Manipulation of the ping1 and ping2 arguments can lead to a stack-based buffer overflow. The attack can be carried out remotely. The exploit for this issue has been publicly disclosed.

Recommendations Update to a newer version that contains a fix for this vulnerability.

Exploit

Fix

Stack Overflow

Buffer Overflow

Memory Corruption

Weakness Enumeration

CWE-121

CWE-119

CWE-787

Related Identifiers

CVE-2026-3973

Affected Products

W3

W3 Firmware

References · 13

• 🔥 https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-w3-setautoping-ping2-buffer-overflow · Exploit
• 🔥 https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-w3-setautoping-ping1-buffer-overflow · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-3973 · Security Note
• https://t.me/CVEtracker/47214 · Telegram Post
• https://tenda.com.cn · Note
• https://vuldb.com/?submit.769176 · Note
• https://twitter.com/CveFindCom/status/2031923529562632443 · Twitter Post
• https://vuldb.com/?id.350408 · Note
• https://t.me/cveNotify/155215 · Telegram Post
• https://vuldb.com/?ctiid.350408 · Note
• https://twitter.com/CVEnew/status/2031992349371642073 · Twitter Post
• https://twitter.com/CVEarity/status/2032077182340923897 · Twitter Post
• https://vuldb.com/?submit.769173 · Note