CVE-2026-3975 is a high-severity stack-based buffer overflow vulnerability affecting Tenda W3 and W3_firmware devices. The flaw exists in the formWifiMacFilterGet function, allowing a remote attacker with low privileges to manipulate the wl_radio argument. This can lead to high impact on confidentiality, integrity, and availability, reflected by a CVSS score of 8.8. Although public exploit code has been released, there is currently no evidence of active exploitation, and community attention remains very low.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.0.0.3\(2204\)CPE matchmatch criteria | cpe:2.3:o:tenda:w3_firmware:1.0.0.3\(2204\):*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.