| Title | Tenda Tenda AC20 V16.03.08.12 Buffer Overflow |
|---|
| Description | A buffer overflow vulnerability was discovered on the latest version of the Tengda AC20 router, V16.03.08.12, where an attacker sent a carefully constructed http post packet to the request path /goform/PowerSaveSettriggered, resulting in a denial of service attack or even RCE, specifically through the function sscanf(s, "%[^:]:%[^-]-%[^:]:%s", v7, v8, v9, v10); implemented, because there is no boundary check on the s |
|---|
| Source | ⚠️ https://github.com/xyh4ck/iot_poc/tree/main/Tenda%20AC20_Buffer_Overflow |
|---|
| User | xuanyu (UID 36103) |
|---|
| Submission | 12/30/2025 06:49 (6 months ago) |
|---|
| Moderation | 12/30/2025 08:25 (2 hours later) |
|---|
| Status | Accepted |
|---|
| VulDB entry | 338742 [Tenda AC20 up to 16.03.08.12 /goform/PowerSaveSet sscanf powerSavingEn/time/powerSaveDelay/ledCloseType buffer overflow] |
|---|
| Points | 20 |
|---|