Is CVE-2023-40799 actively exploited?

No active exploitation of CVE-2023-40799 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-40799 be exploited remotely?

Yes. CVE-2023-40799 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-40799?

CVE-2023-40799 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2023-40799

CRITICAL

CVE-2023-40799

CWE-787Published: August 25, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

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

NVD Source

Risk Analysis

Tenda AC23 firmware version 16.03.07.45_cn contains a critical buffer overflow vulnerability in the sub_450A4C function. This flaw is not currently listed in CISA's KEV.

The vulnerability is remotely exploitable, but there is no known public exploit.

Recommended Action

Check for and apply the latest firmware updates provided by Tenda.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-40799 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.