CVE-2026-3972Tenda W3 HTTP setcfm formSetCfm stack-based overflow
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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A vulnerability was found in Tenda W3 1.0.0.3(2204). Affected by this issue is the function formSetCfm of the file /goform/setcfm of the component HTTP Handler. The manipulation of the argument funcpara1 results in stack-based buffer overflow. The attack can only be performed from the local network. The exploit has been made public and could be used.
- CVSS
- 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
- Weakness (CWE)
- CWE-121, CWE-119
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Analyzed
- Record last updated
- Mar 12, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Tenda W3 tenda:w3 (from the name) | 1.0.0.3(2204) | CNA record |
tenda w3_firmware tenda:w3_firmware | 1.0.0.3(2204) | NVD |
References
- https://vuldb.com/?id.350407vdb-entry, technical-description, third-party-advisory
- https://vuldb.com/?ctiid.350407signature, permissions-required, vdb-entry
- https://vuldb.com/?submit.769172third-party-advisory, vdb-entry
- https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-w3-setcfm-funcpara1-buffer-overflowexploit, third-party-advisory
- https://www.tenda.com.cn/product
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.