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.

• CWE-121
• CWE-787

• 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

Published

Apr 24, 2024

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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