Is CVE-2024-0540 actively exploited?

No active exploitation of CVE-2024-0540 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2024-0540 be exploited remotely?

Yes. CVE-2024-0540 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2024-0540?

CVE-2024-0540 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2024-0540

CWE-121Published: January 15, 2024· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

A vulnerability was found in Tenda W9 1.0.0.7(4456). It has been classified as critical. Affected is the function formOfflineSet of the component httpd. The manipulation of the argument ssidIndex leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-250710 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

NVD Source

Risk Analysis

Tenda W9 devices are susceptible to a remote stack-based buffer overflow in the httpd component. Successful exploitation could allow an attacker to execute arbitrary code.

Public exploit information exists for this vulnerability, but it is not tracked in the KEV.

Recommended Action

Restrict remote access to the device and monitor for available firmware patches.

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-2024-0540 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.