High severity · published Apr 17, 2024
CVE-2024-3906
Tenda AC500 QuickIndex formQuickIndex stack-based overflow
8.8
CVSS
1.7%
EPSS
No
On KEV
Description
A vulnerability was found in Tenda AC500 2.0.1.9(1307). It has been declared as critical. This vulnerability affects the function formQuickIndex of the file /goform/QuickIndex. The manipulation of the argument PPPOEPassword leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. VDB-261142 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 77% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AC
AC500 · Tenda
2.0.1.9(1307) · source: vendor, CISA
AF
Ac500 Firmware · Tenda
2.0.1.9(1307) · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-3906
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-3906
Exploit
https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/AC500/formQuickIndex.md
Permissions Required
https://vuldb.com/?ctiid.261142
Permissions Required
https://vuldb.com/?id.261142
Third Party Advisory
https://vuldb.com/?submit.313801
More from AC500
9.8
CVE-2024-3909
Tenda AC500 execCommand formexeCommand stack-based overflow
9.8
CVE-2024-3908
Tenda AC500 WriteFacMac formWriteFacMac command injection
9.8
CVE-2024-3907
Tenda AC500 setcfm formSetCfm stack-based overflow
8.8
CVE-2025-7586
Tenda AC500 setWtpData formSetAPCfg stack-based overflow
8.8
CVE-2024-3910
Tenda AC500 DhcpListClient fromDhcpListClient stack-based overflow