CVE-2023-40801

Name: CVE-2023-40801
Creator: NVD / NIST
Published: 2023-08-25T15:15:09.47+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.75%

Last modified Jun 17, 2026

CVE-2023-40801 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. The sub_451784 function does not validate the parameters entered by the user, resulting in a stack overflow vulnerability in Tenda AC23 v16.03.07.45_cn. EPSS estimates a 0.75% chance of exploitation in the next 30 days.

Description

The sub_451784 function does not validate the parameters entered by the user, resulting in a stack overflow vulnerability in Tenda AC23 v16.03.07.45_cn

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.75%

50.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Tenda	Ac23	All versions

References

https://github.com/lst-oss/Vulnerability/tree/main/Tenda/AC23/sub_451784Exploit, Third Party Advisory
https://github.com/lst-oss/Vulnerability/tree/main/Tenda/AC23/sub_451784Exploit, Third Party Advisory

Timeline

Published: Aug 25, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-40801?

The sub_451784 function does not validate the parameters entered by the user, resulting in a stack overflow vulnerability in Tenda AC23 v16.03.07.45_cn

How severe is CVE-2023-40801?

CVE-2023-40801 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.75% probability of exploitation in the next 30 days.

How do I fix CVE-2023-40801?

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-2023-40801?

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

Scan your code now

Source: NVD / NIST