CVE-2024-3909

Name: CVE-2024-3909
Creator: NVD / NIST
Published: 2024-04-17T12:15:07.853+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.68%

Last modified Jun 17, 2026

CVE-2024-3909 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A vulnerability classified as critical was found in Tenda AC500 2.0.1.9(1307). Affected by this vulnerability is the function formexeCommand of the file /goform/execCommand. EPSS estimates a 1.68% chance of exploitation in the next 30 days.

Description

A vulnerability classified as critical was found in Tenda AC500 2.0.1.9(1307). Affected by this vulnerability is the function formexeCommand of the file /goform/execCommand. The manipulation of the argument cmdinput leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-261145 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

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

1.68%

73.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Tenda	Ac500 Firmware	2.0.1.9\(1307\)

References

https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/AC500/formexeCommand.mdBroken Link
https://vuldb.com/?ctiid.261145Permissions Required, Third Party Advisory, VDB Entry
https://vuldb.com/?id.261145Third Party Advisory, VDB Entry
https://vuldb.com/?submit.313804Third Party Advisory, VDB Entry
https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/AC500/formexeCommand.mdBroken Link
https://vuldb.com/?ctiid.261145Permissions Required, Third Party Advisory, VDB Entry
https://vuldb.com/?id.261145Third Party Advisory, VDB Entry
https://vuldb.com/?submit.313804Third Party Advisory, VDB Entry

Timeline

Published: Apr 17, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-3909?

How severe is CVE-2024-3909?

CVE-2024-3909 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.68% probability of exploitation in the next 30 days.

How do I fix CVE-2024-3909?

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-2024-3909?

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

Scan your code now

Source: NVD / NIST