CVE-2025-13446

A vulnerability has been found in Tenda AC21 16.03.08.16. This vulnerability affects unknown code of the file /goform/SetSysTimeCfg. The manipulation of the argument timeZone/time leads to stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used.
References
Link Resource
https://github.com/Madgeaaaaa/MY_VULN_2/blob/main/Tenda/VULN8.md Exploit Third Party Advisory
https://github.com/Madgeaaaaa/MY_VULN_2/blob/main/Tenda/VULN9.md Exploit Third Party Advisory
https://vuldb.com/?ctiid.333018 Permissions Required VDB Entry
https://vuldb.com/?id.333018 Third Party Advisory VDB Entry
https://vuldb.com/?submit.694425 Third Party Advisory VDB Entry
https://vuldb.com/?submit.694430 Third Party Advisory VDB Entry
https://www.tenda.com.cn/ Product
https://github.com/Madgeaaaaa/MY_VULN_2/blob/main/Tenda/VULN8.md Exploit Third Party Advisory
https://github.com/Madgeaaaaa/MY_VULN_2/blob/main/Tenda/VULN9.md Exploit Third Party Advisory
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:tenda:ac21_firmware:16.03.08.16:*:*:*:*:*:*:*
cpe:2.3:h:tenda:ac21:-:*:*:*:*:*:*:*

History

21 Nov 2025, 20:16

Type Values Removed Values Added
CPE cpe:2.3:h:tenda:ac21:-:*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac21_firmware:16.03.08.16:*:*:*:*:*:*:*
First Time Tenda ac21
Tenda ac21 Firmware
Tenda
References () https://github.com/Madgeaaaaa/MY_VULN_2/blob/main/Tenda/VULN8.md - () https://github.com/Madgeaaaaa/MY_VULN_2/blob/main/Tenda/VULN8.md - Exploit, Third Party Advisory
References () https://github.com/Madgeaaaaa/MY_VULN_2/blob/main/Tenda/VULN9.md - () https://github.com/Madgeaaaaa/MY_VULN_2/blob/main/Tenda/VULN9.md - Exploit, Third Party Advisory
References () https://vuldb.com/?ctiid.333018 - () https://vuldb.com/?ctiid.333018 - Permissions Required, VDB Entry
References () https://vuldb.com/?id.333018 - () https://vuldb.com/?id.333018 - Third Party Advisory, VDB Entry
References () https://vuldb.com/?submit.694425 - () https://vuldb.com/?submit.694425 - Third Party Advisory, VDB Entry
References () https://vuldb.com/?submit.694430 - () https://vuldb.com/?submit.694430 - Third Party Advisory, VDB Entry
References () https://www.tenda.com.cn/ - () https://www.tenda.com.cn/ - Product

20 Nov 2025, 15:17

Type Values Removed Values Added
New CVE

Information

Published : 2025-11-20 15:17

Updated : 2025-11-21 20:16


NVD link : CVE-2025-13446

Mitre link : CVE-2025-13446

CVE.ORG link : CVE-2025-13446


JSON object : View

Products Affected

tenda

  • ac21_firmware
  • ac21
CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-121

Stack-based Buffer Overflow