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Vulnerability record · CVE-2024-3908 · published 17 April 2024

CVE-2024-3908: Tenda ac500 firmware command injection vulnerability

Tenda · Ac500 Firmware

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.

9.8 CVSS 3.1 Critical EPSS 8.7% · top 5.0% CWE-77 · Command injection
9.8CVSS 3.1 base score, v2 6.5
8.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/AC500/formWriteFacMac.md ExploitThird Party Advisory
https://vuldb.com/?ctiid.261144 Permissions RequiredVDB Entry
https://vuldb.com/?id.261144 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.313803 Third Party AdvisoryVDB Entry
https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/AC500/formWriteFacMac.md ExploitThird Party Advisory
https://vuldb.com/?ctiid.261144 Permissions RequiredVDB Entry
https://vuldb.com/?id.261144 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.313803 Third Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2024-32318Tenda ac500 firmware stack-based buffer overflow vulnerabilityTenda AC500 V2.0.1.9(1307) firmware has a stack overflow vulnerability via the vlan parameter in the formSetVlanInfo function.EPSS 0.78%9.8CVE-2024-3909Tenda ac500 firmware stack-based buffer overflow vulnerabilityA vulnerability classified as critical was found in Tenda AC500 2.0.1.9(1307). Affected by this vulnerability is the function formexeCommand of the f…EPSS 1.7%9.8CVE-2024-3907Tenda ac500 firmware stack-based buffer overflow vulnerabilityA vulnerability was found in Tenda AC500 2.0.1.9(1307). It has been rated as critical. This issue affects the function formSetCfm of the file /goform…EPSS 1.9%9.8CVE-2023-25233Tenda ac500 firmware out-of-bounds write vulnerabilityTenda AC500 V2.0.1.9(1307) is vulnerable to Buffer Overflow in function fromRouteStatic via parameters entrys and mitInterface.EPSS 0.97%9.8CVE-2023-25234Tenda ac500 firmware out-of-bounds write vulnerabilityTenda AC500 V2.0.1.9(1307) is vulnerable to Buffer Overflow in function fromAddressNat via parameters entrys and mitInterface.EPSS 17%8.8CVE-2024-3910Tenda ac500 firmware stack-based buffer overflow vulnerabilityA vulnerability, which was classified as critical, has been found in Tenda AC500 2.0.1.9(1307). Affected by this issue is the function fromDhcpListCl…EPSS 1.7%8.8CVE-2024-3905Tenda ac500 firmware stack-based buffer overflow vulnerabilityA vulnerability was found in Tenda AC500 2.0.1.9(1307). It has been classified as critical. This affects the function R7WebsSecurityHandler of the fi…EPSS 1.8%8.8CVE-2024-3906Tenda ac500 firmware stack-based buffer overflow vulnerabilityA vulnerability was found in Tenda AC500 2.0.1.9(1307). It has been declared as critical. This vulnerability affects the function formQuickIndex of t…EPSS 1.7%

Source: NIST National Vulnerability Database (record CVE-2024-3908), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.