CVE-2025-14656

A weakness has been identified in Tenda AC20 16.03.08.12. This affects the function httpd of the file /goform/openSchedWifi. Executing manipulation of the argument schedStartTime/schedEndTime can lead to buffer overflow. The attack may be performed from remote. The exploit has been made available to the public and could be exploited.
References
Link Resource
https://github.com/Madgeaaaaa/MY_VULN_2/blob/main/Tenda/VULN14/AC20_openSchedWifi.md Exploit Third Party Advisory
https://vuldb.com/?ctiid.336389 Permissions Required VDB Entry
https://vuldb.com/?id.336389 Third Party Advisory VDB Entry
https://vuldb.com/?submit.712917 Third Party Advisory VDB Entry
https://www.tenda.com.cn/ Product
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:tenda:ac20_firmware:16.03.08.12:*:*:*:*:*:*:*
cpe:2.3:h:tenda:ac20:-:*:*:*:*:*:*:*

History

19 Dec 2025, 14:19

Type Values Removed Values Added
CPE cpe:2.3:o:tenda:ac20_firmware:16.03.08.12:*:*:*:*:*:*:*
cpe:2.3:h:tenda:ac20:-:*:*:*:*:*:*:*
References () https://github.com/Madgeaaaaa/MY_VULN_2/blob/main/Tenda/VULN14/AC20_openSchedWifi.md - () https://github.com/Madgeaaaaa/MY_VULN_2/blob/main/Tenda/VULN14/AC20_openSchedWifi.md - Exploit, Third Party Advisory
References () https://vuldb.com/?ctiid.336389 - () https://vuldb.com/?ctiid.336389 - Permissions Required, VDB Entry
References () https://vuldb.com/?id.336389 - () https://vuldb.com/?id.336389 - Third Party Advisory, VDB Entry
References () https://vuldb.com/?submit.712917 - () https://vuldb.com/?submit.712917 - Third Party Advisory, VDB Entry
References () https://www.tenda.com.cn/ - () https://www.tenda.com.cn/ - Product
First Time Tenda
Tenda ac20
Tenda ac20 Firmware

14 Dec 2025, 11:15

Type Values Removed Values Added
New CVE

Information

Published : 2025-12-14 11:15

Updated : 2025-12-19 14:19


NVD link : CVE-2025-14656

Mitre link : CVE-2025-14656

CVE.ORG link : CVE-2025-14656


JSON object : View

Products Affected

tenda

  • ac20_firmware
  • ac20
CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')