CVE-2024-4246
A vulnerability, which was classified as critical, was found in Tenda i21 1.0.0.14(4656).
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.35%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A vulnerability, which was classified as critical, was found in Tenda i21 1.0.0.14(4656). This affects the function formQosManageDouble_auto. The manipulation of the argument ssidIndex leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The identifier VDB-262137 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.35% probability · 71th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-121, CWE-787
- Affected
- tenda/i21 firmware
- Source
- cna@vuldb.com
EPSS 1.3% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/i/i21/formQosManageDouble_user.mdBroken Link
- https://vuldb.com/?ctiid.262137Permissions Required, Third Party Advisory, VDB Entry
- https://vuldb.com/?id.262137Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.319831Third Party Advisory, VDB Entry
- https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/i/i21/formQosManageDouble_user.mdBroken Link
- https://vuldb.com/?ctiid.262137Permissions Required, Third Party Advisory, VDB Entry
- https://vuldb.com/?id.262137Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.319831Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.