CVE-2024-0540 is a critical stack-based buffer overflow vulnerability affecting the Tenda W9 1.0.0.7(4456) firmware. Specifically, the "formOfflineSet" function within the httpd component is susceptible to manipulation of the "ssidIndex" argument. This vulnerability has a CVSS score of 9.8 (Critical), indicating it can be exploited remotely with low attack complexity, leading to high impacts on confidentiality, integrity, and availability. While the exploit has been publicly disclosed, there is no evidence of active exploitation, and no Metasploit, Nuclei, or ExploitDB modules are currently available. Community discussion and media coverage for this CVE are minimal.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.0.0.7\(4456\)CPE matchmatch criteria | cpe:2.3:o:tenda:w9_firmware:1.0.0.7\(4456\):*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Embedded Devices Web Servers Buffer Overflow (CVE-2024-0536; CVE-2024-0537; CVE-2024-0538; CVE-2024-0539; CVE-2024-0540; CVE-2024-0542; CVE-2024-2980; CVE-2024-2981; CVE-2024-30587; CVE-2024-4240; CVE-2024-4241; CVE-2024-4242; CVE-2024-4243; CVE-2025-7529)
Jan 5, 2026Embedded Devices Web Servers Buffer Overflow (CVE-2024-0536; CVE-2024-0537; CVE-2024-0538; CVE-2024-0539; CVE-2024-0540; CVE-2024-0542; CVE-2024-2980; CVE-2024-2981; CVE-2024-30587; CVE-2024-4240; CVE-2024-4241; CVE-2024-4242; CVE-2024-4243; CVE-2025-7529)
Jan 5, 2026Embedded Devices Web Servers Buffer Overflow (CVE-2024-0536; CVE-2024-0537; CVE-2024-0538; CVE-2024-0539; CVE-2024-0540; CVE-2024-0542; CVE-2024-2980; CVE-2024-2981; CVE-2024-30587; CVE-2024-4240; CVE-2024-4241; CVE-2024-4242; CVE-2024-4243; CVE-2025-7529)
Jan 5, 2026