CVE-2022-40101

CVE-2022-40101 is a high-severity vulnerability in Tenda I9 Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Description

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

Frequently asked questions

What is CVE-2022-40101?
Tenda i9 v1.0.0.8(3828) was discovered to contain a buffer overflow via the formWifiMacFilterSet function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted string.
How severe is CVE-2022-40101?
CVE-2022-40101 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-40101 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-40101?
CVE-2022-40101 affects Tenda I9 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-40101?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-40101 published?
CVE-2022-40101 was published on 2022-09-23 and last updated on 2026-06-17.

References

Affected products (1)

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