High 8.8Published Mar 9, 2026

CVE-2026-3802Tenda i3 exeCommand formexeCommand stack-based overflow

Updated under an hour ago (Oct 26, 2026, 4:40 PM ET)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for Tenda i3

Exploited in the last 30 days

A vulnerability was determined in Tenda i3 1.0.0.6(2204). Affected by this issue is the function formexeCommand of the file /goform/exeCommand. Executing a manipulation of the argument cmdinput can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized.

CVSS: 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/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 10, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Tenda i3 tenda:i3 (from the name)	1.0.0.6(2204)	CNA record
tenda i3_firmware tenda:i3_firmware	1.0.0.6(2204)	NVD

References

References

https://vuldb.com/?id.349769	vdb-entry, technical-description, third-party-advisory
https://vuldb.com/?ctiid.349769	signature, permissions-required, vdb-entry
https://vuldb.com/?submit.768983	third-party-advisory, vdb-entry
https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-i3-formexeCommand-cmdinput-buffer-overflow	exploit, 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.