Read the docs
TI-2022-21795 Aliases CVE-2022-44367GHSA-mpm7-5rh7-4rmv

Tenda i21 V1.0.0.14(4656) is vulnerable to Buffer Overflow via /goform/setUplinkInfo.

Priority HIGH 75CWE-787Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

Tenda i21 V1.0.0.14(4656) is vulnerable to Buffer Overflow via /goform/setUplinkInfo.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00992 62nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:tenda:i21_firmware:1.0.0.14\(4656\):*:*:*:*:*:*:*1.0.0.14(4656)VulnerableTenda
cpe:2.3:h:tenda:i21:-:*:*:*:*:*:*:*not specified by NVDRunning onTenda
  • cpe:2.3:o:tenda:i21_firmware:1.0.0.14\(4656\):*:*:*:*:*:*:* Versions 1.0.0.14(4656) Vulnerable ·Tenda
  • cpe:2.3:h:tenda:i21:-:*:*:*:*:*:*:* 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-2022-44367
  2. 2026-10-03 Alias added: GHSA-mpm7-5rh7-4rmv

References

Exploit 1

  • TI-2022-21794 Tenda i21 V1.0.0.14(4656) is vulnerable to Buffer Overflow via /goform/setDiagnoseInfo. CVSS 3.1CRITICAL 9.8
  • TI-2022-21793 Tenda i21 V1.0.0.14(4656) has a stack overflow vulnerability via /goform/setSysPwd. CVSS 3.1CRITICAL 9.8
  • TI-2022-21792 Tenda i21 V1.0.0.14(4656) is vulnerable to Buffer Overflow via /goform/setSnmpInfo. CVSS 3.1CRITICAL 9.8
  • TI-2022-21791 Tenda i21 V1.0.0.14(4656) is vulnerable to Buffer Overflow via /goform/AddSysLogRule. CVSS 3.1CRITICAL 9.8
  • TI-2024-04184 Tenda i21 formexeCommand stack-based overflow CVSS 3.1HIGH 8.8
  • TI-2024-04180 Tenda i21 formSetAutoPing stack-based overflow CVSS 3.1HIGH 8.8
See all 18 →

Sources

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