Buffer overflow in Tenda W9
CVE-2024-4240
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.
Vulnerability class: Buffer Overflow
EPSS: 0.015 (70.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Tenda W9 — versions 1.0.0.7(4456)
- Tenda W9_firmware — versions 1.0.0.7\(4456\)
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry, Third Party Advisory)
- cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
- cna@vuldb.com (related, Broken Link)
Frequently asked questions
- What is CVE-2024-4240?
- CVE-2024-4240 is a high-severity vulnerability in Tenda W9, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2024-04-26.
- How severe is CVE-2024-4240?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2024-4240 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.