Tenda i9 v1.0.0.8(3828) was discovered to contain a buffer overflow via the formWifiMacFilterSet function.

published 2022-09-23 4y ago modified 2026-06-17 4mo ago also EUVD-2022-43420

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.9%; EPSS 0.9% chance of exploitation in 30 days, percentile 59%
public exploits: 0; none known

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.

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CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: last yr. (2025-05-22)

Exploit prediction

0.89% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Classification

Weakness

CWE-787 Out-of-bounds Write

References

github.com /splashsc/IOT_Vulnerability_Discovery/blob/main/Tenda/Tenda_i9/buffer_overflow_formWifiMacFilterSet.md
broken-link

Sources

CVE List CVE-2022-40101
NVD CVE-2022-40101

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