What is CVE-2022-35561?

CVE-2022-35561 is a high-severity vulnerability in Tenda W6, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2022-08-12.

How severe is CVE-2022-35561?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2022-35561 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Tenda W6

CVE-2022-35561

A stack overflow vulnerability exists in /goform/WifiMacFilterSet in Tenda W6 V1.0.0.9(4122) version, which can be exploited by attackers to cause a denial of service (DoS) via the index parameter.

Vulnerability class: Buffer Overflow

Published 2022-08-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.010 (61.8th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 61.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Tenda W6
Tenda W6 Firmware — versions 1.0.0.9(4122), 1.0.0.9\(4122\)

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

zhefox/IOT_

References

github.com/ilovekeer/IOT/tree/main/Tenda/W6/stackoverflow/WifiMacFilterSet (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-35561?: CVE-2022-35561 is a high-severity vulnerability in Tenda W6, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2022-08-12.
How severe is CVE-2022-35561?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2022-35561 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.