CVE-2025-15356
Tenda AC20 PowerSaveSet sscanf buffer overflow
HIGH 7.4EPSS 4.0%
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.
- Affected
- Tenda · AC20
- CVSS v4.0 VULDB
- 7.4 HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS v3.1 VULDB
- 8.8 HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS v2.0 VULDB
- 9.0 HIGH
AV:N/AC:L/Au:S/C:C/I:C/A:C - EPSS
- 4.00% chance of exploitation in the next 30 days, 90th percentile
- Published
- 2025-12-30
- Updated
- 2026-02-24
Proof-of-concept exploits (1)
- xyh4ck/iot_poc/blob/main/Tenda%20AC20_Buffer_Overflow/Tenda%20AC20_Buffer_Overflow.md#poc7★ · 2026-05-01