CVE-2026-3802 Details
Description
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.
A stack-based buffer overflow vulnerability has been identified in the Tenda i3 router, specifically in version 1.0.0.6(2204). The issue arises in the formexeCommand function within the /goform/exeCommand file. This vulnerability can be exploited remotely by manipulating the cmdinput parameter, leading to potential unauthorized memory access and code execution.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Mar 10, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-i3-formexeCommand-cmdinput-buffer-overflow | [email protected] | ExploitThird Party Advisory |
| https://vuldb.com/?ctiid.349769 | [email protected] | Permissions RequiredVDB Entry |
| https://vuldb.com/?id.349769 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/?submit.768983 | [email protected] | Third Party AdvisoryVDB Entry |
| https://www.tenda.com.cn/ | [email protected] | Product |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | [email protected] |
| CWE-121 | Stack-based Buffer Overflow | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| tenda i3 firmware | 1.0.0.6(2204) |
CPE
Remediation
| |
| tenda i3 | All versions |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Mar 9, 2026 | Initial Analysis | [email protected] |
| Mar 9, 2026 | New CVE Received | [email protected] |