CVE-2025-12611

A vulnerability was identified in Tenda AC21 16.03.08.16. This vulnerability affects the function formSetPPTPServer of the file /goform/SetPptpServerCfg. The manipulation of the argument startIp leads to buffer overflow. Remote exploitation of the attack is possible. The exploit is publicly available and might be used.
References
Link Resource
https://github.com/LX-LX88/cve/issues/10 Exploit Third Party Advisory Issue Tracking
https://vuldb.com/?ctiid.330906 Permissions Required VDB Entry
https://vuldb.com/?id.330906 Third Party Advisory VDB Entry
https://vuldb.com/?submit.678491 Third Party Advisory VDB Entry
https://www.tenda.com.cn/ Product
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:tenda:ac21_firmware:16.03.08.16:*:*:*:*:*:*:*
cpe:2.3:h:tenda:ac21:1.0:*:*:*:*:*:*:*

History

05 Nov 2025, 16:09

Type Values Removed Values Added
CPE cpe:2.3:o:tenda:ac21_firmware:16.03.08.16:*:*:*:*:*:*:*
cpe:2.3:h:tenda:ac21:1.0:*:*:*:*:*:*:*
First Time Tenda
Tenda ac21 Firmware
Tenda ac21
References () https://github.com/LX-LX88/cve/issues/10 - () https://github.com/LX-LX88/cve/issues/10 - Exploit, Third Party Advisory, Issue Tracking
References () https://vuldb.com/?ctiid.330906 - () https://vuldb.com/?ctiid.330906 - Permissions Required, VDB Entry
References () https://vuldb.com/?id.330906 - () https://vuldb.com/?id.330906 - Third Party Advisory, VDB Entry
References () https://vuldb.com/?submit.678491 - () https://vuldb.com/?submit.678491 - Third Party Advisory, VDB Entry
References () https://www.tenda.com.cn/ - () https://www.tenda.com.cn/ - Product

03 Nov 2025, 03:15

Type Values Removed Values Added
New CVE

Information

Published : 2025-11-03 03:15

Updated : 2025-11-05 16:09


NVD link : CVE-2025-12611

Mitre link : CVE-2025-12611

CVE.ORG link : CVE-2025-12611


JSON object : View

Products Affected

tenda

  • ac21_firmware
  • ac21
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')