CVE-2024-4121

Name: CVE-2024-4121
Creator: NVD / NIST
Published: 2024-04-24T18:15:11.443+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.68%

Last modified Jun 17, 2026

CVE-2024-4121 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A vulnerability classified as critical has been found in Tenda W15E 15.11.0.14. Affected is the function formQOSRuleDel. EPSS estimates a 1.68% chance of exploitation in the next 30 days.

Description

A vulnerability classified as critical has been found in Tenda W15E 15.11.0.14. Affected is the function formQOSRuleDel. The manipulation of the argument qosIndex leads to stack-based buffer overflow. It is possible to launch the attack remotely. The identifier of this vulnerability is VDB-261864. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.68%

74.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Tenda	W15e Firmware	15.11.0.14

References

https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/W15Ev1.0/formQOSRuleDel.mdExploit, Third Party Advisory
https://vuldb.com/?ctiid.261864Permissions Required, Third Party Advisory, VDB Entry
https://vuldb.com/?id.261864Third Party Advisory, VDB Entry
https://vuldb.com/?submit.317826Third Party Advisory, VDB Entry
https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/W15Ev1.0/formQOSRuleDel.mdExploit, Third Party Advisory
https://vuldb.com/?ctiid.261864Permissions Required, Third Party Advisory, VDB Entry
https://vuldb.com/?id.261864Third Party Advisory, VDB Entry
https://vuldb.com/?submit.317826Third Party Advisory, VDB Entry

Timeline

Published: Apr 24, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-4121?

How severe is CVE-2024-4121?

CVE-2024-4121 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.68% probability of exploitation in the next 30 days.

How do I fix CVE-2024-4121?

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-2024-4121?

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

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Source: NVD / NIST