CVE-2023-40799

Name: CVE-2023-40799
Creator: NVD / NIST
Published: 2023-08-25T15:15:09.307+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.78%

Last modified Jun 17, 2026

CVE-2023-40799 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Tenda AC23 Vv16.03.07.45_cn is vulnerable to Buffer Overflow via sub_450A4C function.. EPSS estimates a 0.78% chance of exploitation in the next 30 days.

Description

Tenda AC23 Vv16.03.07.45_cn is vulnerable to Buffer Overflow via sub_450A4C function.

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

0.78%

51.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Tenda	Ac23 Firmware	16.03.07.45_cn

References

https://github.com/lst-oss/Vulnerability/blob/main/Tenda/AC23/sub_450A4CExploit, Third Party Advisory
https://github.com/lst-oss/Vulnerability/blob/main/Tenda/AC23/sub_450A4CExploit, Third Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2023-40799?

Tenda AC23 Vv16.03.07.45_cn is vulnerable to Buffer Overflow via sub_450A4C function.

How severe is CVE-2023-40799?

CVE-2023-40799 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.78% probability of exploitation in the next 30 days.

How do I fix CVE-2023-40799?

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-2023-40799?

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

Scan your code now

Source: NVD / NIST