CVE-2026-3803 - Vulnerability Analysis

Overview

Tenda i3 1.0.0.6(2204) contains a stack-based buffer overflow caused by manipulation of the "index" argument in /goform/WifiMacFilterGet, letting remote attackers cause memory corruption, exploit requires no special privileges.

Severity & Score

Impact

Remote attackers can cause memory corruption leading to potential code execution or system crash.

Mitigation

Update to the latest version.

References

• https://vuldb.com/?ctiid.349770
• https://vuldb.com/?id.349770
• https://vuldb.com/?submit.768984
• https://www.tenda.com.cn/
• https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-i3-formWifiMacFilterGet-index-buffer-overflow

Social Media Activity(1 post)

TheHackerWire

@thehackerwire

Mar 9, 2026

🟠 CVE-2026-3803 - High (8.8) A vulnerability was identified in Tenda i3 1.0.0.6(2204). This affects the function formWifiMacFilterGet of the file /goform/WifiMacFilterGet. The manipulation of the argument index leads to stack-based buffer overflow. It is possible to initiate ... 🔗 https://www.thehackerwire.com/vulnerability/CVE-2026-3803/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

View original post

Related Resources

• Vulnerability Intelligence Dashboard
• Credential Scanner