CVE-2026-3799 Details
Description
A flaw has been found in Tenda i3 1.0.0.6(2204). This impacts the function formSetCfm of the file /goform/setcfm. This manipulation of the argument funcpara1 causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been published and may be used.
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 formSetCfm function within the /goform/setcfm file, where insufficient length validation of the funcpara1 parameter allows for remote exploitation. This vulnerability could lead to unauthorized memory manipulation, with potential consequences of arbitrary code execution or causing a denial-of-service condition.
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-setcfm-funcpara1-buffer-overflow | [email protected] | ExploitThird Party Advisory |
| https://vuldb.com/?ctiid.349766 | [email protected] | Permissions RequiredVDB Entry |
| https://vuldb.com/?id.349766 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/?submit.768976 | [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] |