Cyber Resilience

CVE-2022-40105

High

Published: 23 September 2022

Published
23 September 2022
Modified
22 May 2025
KEV Added
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Patch
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CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0039 60.5th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-40105 is a high-severity Out-of-bounds Write (CWE-787) vulnerability in Tenda I9 Firmware. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 39.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Tenda i9 v1.0.0.8(3828) was discovered to contain a buffer overflow via the formWifiMacFilterGet function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted string.

CWE(s)
CWE-787

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

tenda
i9 firmware
1.0.0.8\(3828\)

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SI-16 Memory Protection
addresses: CWE-787

Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.

References