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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.015 (72.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 72.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- Tenda W9 — versions 1.0.0.7(4456)
- Tenda W9 Firmware — versions 1.0.0.7\(4456\), 1.0.0.7(4456)
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry, Third Party Advisory)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/W9/formQosManageDouble_au… (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.