A security flaw has been discovered in Tenda AC21 up to 16.03.08.16. Affected by this vulnerability is the function sscanf of the file /goform/SetStaticRouteCfg. The manipulation of the argument list results in buffer overflow. The attack can be launched remotely. The exploit has been released to the public and may be exploited.
                
            References
                    | Link | Resource | 
|---|---|
| https://github.com/maximdevere/CVE2/issues/2 | Exploit Issue Tracking | 
| https://vuldb.com/?ctiid.326173 | Permissions Required VDB Entry | 
| https://vuldb.com/?id.326173 | Third Party Advisory VDB Entry | 
| https://vuldb.com/?submit.661806 | Third Party Advisory VDB Entry | 
| https://www.tenda.com.cn/ | Product | 
| https://github.com/maximdevere/CVE2/issues/2 | Exploit Issue Tracking | 
Configurations
                    Configuration 1 (hide)
| AND | 
 
 | 
History
                    03 Oct 2025, 14:45
| Type | Values Removed | Values Added | 
|---|---|---|
| CPE | cpe:2.3:o:tenda:ac21_firmware:*:*:*:*:*:*:*:* cpe:2.3:h:tenda:ac21:-:*:*:*:*:*:*:* | |
| First Time | Tenda ac21 Tenda ac21 Firmware Tenda | |
| References | () https://github.com/maximdevere/CVE2/issues/2 - Exploit, Issue Tracking | |
| References | () https://vuldb.com/?ctiid.326173 - Permissions Required, VDB Entry | |
| References | () https://vuldb.com/?id.326173 - Third Party Advisory, VDB Entry | |
| References | () https://vuldb.com/?submit.661806 - Third Party Advisory, VDB Entry | |
| References | () https://www.tenda.com.cn/ - Product | 
29 Sep 2025, 15:16
| Type | Values Removed | Values Added | 
|---|---|---|
| References | () https://github.com/maximdevere/CVE2/issues/2 - | 
28 Sep 2025, 02:15
| Type | Values Removed | Values Added | 
|---|---|---|
| New CVE | 
Information
                Published : 2025-09-28 02:15
Updated : 2025-10-03 14:45
NVD link : CVE-2025-11091
Mitre link : CVE-2025-11091
CVE.ORG link : CVE-2025-11091
JSON object : View
Products Affected
                tenda
- ac21_firmware
- ac21
