CVE-2024-2547

A vulnerability was found in Tenda AC18 15.03.05.05 and classified as critical. Affected by this issue is the function R7WebsSecurityHandler. The manipulation of the argument password leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-257000. 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/AC18/R7WebsSecurityHandler.mdBroken Link
• https://vuldb.com/?ctiid.257000Permissions Required, VDB Entry
• https://vuldb.com/?id.257000Third Party Advisory, VDB Entry
• https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/AC18/R7WebsSecurityHandler.mdBroken Link
• https://vuldb.com/?ctiid.257000Permissions Required, VDB Entry
• https://vuldb.com/?id.257000Third Party Advisory, VDB Entry

Published

Mar 17, 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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