Buffer overflow in Tenda W6

CVE-2022-35559

A stack overflow vulnerability exists in /goform/setAutoPing in Tenda W6 V1.0.0.9(4122), which allows an attacker to construct ping1 parameters and ping2 parameters for a stack overflow attack. An attacker can use this vulnerability to execute arbitrary code execution.

Vulnerability class: Buffer Overflow

EPSS: 0.109 (95.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-35559?
CVE-2022-35559 is a critical-severity vulnerability in Tenda W6, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-08-12.
How severe is CVE-2022-35559?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-35559 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.