CVE-2026-3975
HIGHCVSS Vector
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
Lifecycle Timeline
2Tags
Description
A security flaw has been discovered in Tenda W3 1.0.0.3(2204). This issue affects the function formWifiMacFilterGet of the file /goform/WifiMacFilterGet of the component POST Parameter Handler. Performing a manipulation of the argument wl_radio results in stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks.
Analysis
Stack-based buffer overflow in Tenda W3 1.0.0.3(2204) allows authenticated remote attackers to achieve full system compromise through manipulation of the wl_radio parameter in the WifiMacFilterGet POST handler. Public exploit code exists for this vulnerability, increasing the risk of active exploitation. …
Sign in for full analysis, threat intelligence, and remediation guidance.
Remediation
Within 24 hours: Identify and inventory all Tenda W3 devices running firmware 1.0.0.3(2204) in your environment; isolate or restrict network access to affected devices if possible. Within 7 days: Implement network segmentation to limit device communication and apply WAF rules blocking POST requests to /goform/WifiMacFilterGet; contact Tenda for patch availability and timelines. …
Sign in for detailed remediation steps.
Priority Score
Share
External POC / Exploit Code
Leaving vuln.today