CVE-2024-4240
A vulnerability was found in Tenda W9 1.0.0.7(4456).
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.45%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A vulnerability was found in Tenda W9 1.0.0.7(4456). It has been classified as critical. This affects the function formQosManageDouble_user. The manipulation of the argument ssidIndex leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The associated identifier of this vulnerability is VDB-262131. 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
- 1.45% probability · 73th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-121, CWE-787
- Affected
- tenda/w9 firmware
- Source
- cna@vuldb.com
EPSS 1.5% 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/W9/formQosManageDouble_auto.mdBroken Link
- https://vuldb.com/?ctiid.262131Permissions Required, Third Party Advisory, VDB Entry
- https://vuldb.com/?id.262131Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.319822Third Party Advisory, VDB Entry
- https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/W9/formQosManageDouble_auto.mdBroken Link
- https://vuldb.com/?ctiid.262131Permissions Required, Third Party Advisory, VDB Entry
- https://vuldb.com/?id.262131Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.319822Third 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.