Is CVE-2023-40904 actively exploited?

No active exploitation of CVE-2023-40904 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-40904 be exploited remotely?

Yes. CVE-2023-40904 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-40904?

CVE-2023-40904 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2023-40904

CRITICAL

CVE-2023-40904

CWE-787Published: August 24, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Tenda AC10 v4 US_AC10V4.0si_V16.03.10.13_cn was discovered to contain a stack overflow via parameter macFilterType and parameter deviceList at /goform/setMacFilterCfg.

NVD Source

Risk Analysis

Tenda AC10 v4 firmware version 16.03.10.13 is affected by a critical stack overflow vulnerability in the setMacFilterCfg function. This flaw is not currently tracked in the KEV catalog.

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

Recommended Action

Update the device firmware to the latest version available from the manufacturer.

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-2023-40904 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.