Tenda i3 WifiMacFilterSet formWifiMacFilterSet stack-based overflow
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Tenda | i3 | 1.0.0.6(2204) | — | No fix listed | CNA |
- i3 VendorTenda Affected 1.0.0.6(2204) Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-3804
- 2026-10-03 Alias added: GHSA-gcmm-29vw-qxj6
References
More Tenda I3 Firmware vulnerabilities
- TI-2026-03435 Tenda i3 wifiSSIDset formwrlSSIDset stack-based overflow CVSS 4.0HIGH 8.7
- TI-2026-03434 Tenda i3 wifiSSIDget formwrlSSIDget stack-based overflow CVSS 4.0HIGH 8.7
- TI-2026-03292 Tenda i3 WifiMacFilterGet formWifiMacFilterGet stack-based overflow CVSS 4.0HIGH 8.7
- TI-2026-03291 Tenda i3 exeCommand formexeCommand stack-based overflow CVSS 4.0HIGH 8.7
- TI-2026-03290 Tenda i3 setAutoPing formSetAutoPing stack-based overflow CVSS 4.0HIGH 8.7
- TI-2026-03288 Tenda i3 setcfm formSetCfm stack-based overflow CVSS 4.0HIGH 8.7
Sources
- CVE-2026-3804 · CVE Program
- CVE-2026-3804 · NVD
- FIRST EPSS
- GHSA-gcmm-29vw-qxj6 · GitHub Advisory Database · CC BY 4.0
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