CVE-2024-3908

A vulnerability classified as critical has been found in Tenda AC500 2.0.1.9(1307). Affected is the function formWriteFacMac of the file /goform/WriteFacMac. The manipulation of the argument mac leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-261144. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

• CWE-77

• https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/AC500/formWriteFacMac.mdExploit, Third Party Advisory
• https://vuldb.com/?ctiid.261144Permissions Required, VDB Entry
• https://vuldb.com/?id.261144Third Party Advisory, VDB Entry
• https://vuldb.com/?submit.313803Third Party Advisory, VDB Entry
• https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/AC500/formWriteFacMac.mdExploit, Third Party Advisory
• https://vuldb.com/?ctiid.261144Permissions Required, VDB Entry
• https://vuldb.com/?id.261144Third Party Advisory, VDB Entry
• https://vuldb.com/?submit.313803Third Party Advisory, VDB Entry

Published

Apr 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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