CVE-2022-40854

Name: CVE-2022-40854
Creator: NVD / NIST
Published: 2022-09-23T15:15:14.417+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.97%

Last modified Jun 17, 2026

CVE-2022-40854 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Tenda AC18 router contained a stack overflow vulnerability in /goform/fast_setting_wifi_set. EPSS estimates a 0.97% chance of exploitation in the next 30 days.

Description

Tenda AC18 router contained a stack overflow vulnerability in /goform/fast_setting_wifi_set

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.97%

57.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Tenda	Ac18 Firmware	15.03.05.19\(6318\)

References

https://github.com/CPSeek/Router-vuls/blob/main/Tenda/AC18/form_fast_setting_wifi_set.mdExploit, Third Party Advisory
https://github.com/CPSeek/Router-vuls/blob/main/Tenda/AC18/form_fast_setting_wifi_set.mdExploit, Third Party Advisory

Timeline

Published: Sep 23, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-40854?

Tenda AC18 router contained a stack overflow vulnerability in /goform/fast_setting_wifi_set

How severe is CVE-2022-40854?

CVE-2022-40854 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.97% probability of exploitation in the next 30 days.

How do I fix CVE-2022-40854?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-40854?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST