CVE-2025-15356
Tenda AC20 PowerSaveSet sscanf buffer overflow
CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th
A vulnerability has been found in Tenda AC20 up to 16.03.08.12. The impacted element is the function sscanf of the file /goform/PowerSaveSet. The manipulation of the argument powerSavingEn/time/powerSaveDelay/ledCloseType leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
| CWE | CWE-120 CWE-119 |
| Vendor | tenda |
| Product | ac20 |
| Published | Dec 30, 2025 |
| Last Updated | Feb 24, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Tenda / AC20
16.03.08.0 16.03.08.1 16.03.08.2 16.03.08.3 16.03.08.4 16.03.08.5 16.03.08.6 16.03.08.7 16.03.08.8 16.03.08.9 16.03.08.10 16.03.08.11 16.03.08.12
References
vuldb.com: https://vuldb.com/?id.338742 vuldb.com: https://vuldb.com/?ctiid.338742 vuldb.com: https://vuldb.com/?submit.726360 github.com: https://github.com/xyh4ck/iot_poc/tree/main/Tenda%20AC20_Buffer_Overflow github.com: https://github.com/xyh4ck/iot_poc/blob/main/Tenda%20AC20_Buffer_Overflow/Tenda%20AC20_Buffer_Overflow.md#poc tenda.com.cn: https://www.tenda.com.cn/
Credits
🔍 xuanyu (VulDB User)