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HIGH

CVE-2024-4121

CVSS v3

8.8

HIGH

EPSS Score

1.7 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

Published
2024-04-24

Frequently asked questions

What is CVE-2024-4121?

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.

Is CVE-2024-4121 actively exploited?

Active exploitation of CVE-2024-4121 has not been confirmed. Its EPSS score was 1.7% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2024-4121?

CVE-2024-4121 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2024-4121 affecting your environment?

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