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TI-2026-03435 Aliases CVE-2026-3971GHSA-cwx4-752x-q9c8

Tenda i3 wifiSSIDset formwrlSSIDset stack-based overflow

Priority HIGH 73CWE-119Published · Updated

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 vulnerability has been found in Tenda i3 1.0.0.6(2204). Affected by this vulnerability is the function formwrlSSIDset of the file /goform/wifiSSIDset. The manipulation of the argument index/GO leads to stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00722 54th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD and the CNA
Fix No fix listed No fixed version in the sources yet

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

VendorProductAffected versionsFixed inStatusSource
Tendai31.0.0.6(2204)—No fix listedCNA
  • i3 VendorTenda Affected 1.0.0.6(2204) Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:tenda:i3_firmware:1.0.0.6\(2204\):*:*:*:*:*:*:*1.0.0.6(2204)VulnerableTenda
cpe:2.3:h:tenda:i3:-:*:*:*:*:*:*:*not specified by NVDRunning onTenda
  • cpe:2.3:o:tenda:i3_firmware:1.0.0.6\(2204\):*:*:*:*:*:*:* Versions 1.0.0.6(2204) Vulnerable ·Tenda
  • cpe:2.3:h:tenda:i3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Tenda

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-3971
  2. 2026-10-03 Alias added: GHSA-cwx4-752x-q9c8

References

Exploit 2

Other 1

  • TI-2026-03434 Tenda i3 wifiSSIDget formwrlSSIDget stack-based overflow CVSS 4.0HIGH 8.7
  • TI-2026-03293 Tenda i3 WifiMacFilterSet formWifiMacFilterSet 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
See all 7 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences