What’s Vulnerable › Vulnerabilities

CVE-2026-3804: Tenda i3 WifiMacFilterSet formWifiMacFilterSet stack-based overflow

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-03-09 · updated 2026-06-17
• Weakness: CWE-119

Description

A security flaw has been discovered in Tenda i3 1.0.0.6(2204). This vulnerability affects the function formWifiMacFilterSet of the file /goform/WifiMacFilterSet. The manipulation of the argument index results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks.

Affected products

• Tenda i3: 1.0.0.6(2204)

References

• https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-i3-formWifiMacFilterSet-index-buffer-overflow
• https://vuldb.com/?ctiid.349771
• https://vuldb.com/?id.349771
• https://vuldb.com/?submit.768985
• https://www.tenda.com.cn/

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