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HIGH

CVE-2025-15356

CVSS v3

8.8

HIGH

EPSS Score

4.0 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

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.

Technical details

Published
2025-12-30

Frequently asked questions

What is CVE-2025-15356?

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.

Is CVE-2025-15356 actively exploited?

Active exploitation of CVE-2025-15356 has not been confirmed. Its EPSS score was 4.0% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2025-15356?

CVE-2025-15356 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2025-15356 affecting your environment?

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