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CVE-2024-4249 Details

Description

A vulnerability was found in Tenda i21 1.0.0.14(4656). It has been classified as critical. Affected is the function formwrlSSIDget of the file /goform/wifiSSIDget. The manipulation of the argument ssidIndex leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-262140. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CNA: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/i/i21/formwrlSSIDget.md	CVE	Broken Link
https://vuldb.com/?ctiid.262140	CVE	Permissions RequiredThird Party AdvisoryVDB Entry
https://vuldb.com/?id.262140	CVE	Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.319834	CVE	Third Party AdvisoryVDB Entry
https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/i/i21/formwrlSSIDget.md	[email protected]	Broken Link
https://vuldb.com/?ctiid.262140	[email protected]	Permissions RequiredThird Party AdvisoryVDB Entry
https://vuldb.com/?id.262140	[email protected]	Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.319834	[email protected]	Third Party AdvisoryVDB Entry

see all 8 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-787	Out-of-bounds Write	[email protected]
CWE-121	Stack-based Buffer Overflow	[email protected]

Affected Products

Product	Versions
tenda i21 firmware	1.0.0.14(4656)
CPE cpe:2.3:o:tenda:i21_firmware:1.0.0.14(4656):::::::* Remediation No remediation found in references.
tenda i21	All versions
CPE cpe:2.3:h:tenda:i21:-:::::::* Remediation No remediation found in references.

Change History

8 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Jan 27, 2025	Initial Analysis	[email protected]
Nov 21, 2024	CVE Modified	CVE
Jun 4, 2024	CVE Modified	[email protected]
May 17, 2024	CVE Modified	[email protected]
May 14, 2024	CVE Modified	[email protected]
Apr 27, 2024	New CVE Received	[email protected]