What is CVE-2022-32032?

CVE-2022-32032 is a critical-severity vulnerability in Tenda Ax1806, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-07-01.

How severe is CVE-2022-32032?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2022-32032 known to be exploited?

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

Buffer overflow in Tenda Ax1806

CVE-2022-32032

Tenda AX1806 v1.0.0.1 was discovered to contain a stack overflow via the deviceList parameter in the function formAddMacfilterRule.

Vulnerability class: Buffer Overflow

Published 2022-07-01 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.104 (95.6th percentile), scored 2026-09-30.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.101 · newest: 0.104 · change: +0.003

Affected products

Tenda Ax1806
Tenda Ax1806 Firmware — versions 1.0.0.1

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

References

github.com/d1tto/IoT-vuln/tree/main/Tenda/A18/formAddMacfilterRule (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-32032?: CVE-2022-32032 is a critical-severity vulnerability in Tenda Ax1806, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-07-01.
How severe is CVE-2022-32032?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-32032 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.