CVE-2025-15356
High
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.
SeverityHigh
CVSS8.8
Exploit probability—
ProductTenda Ac20 Firmware
PublishedDec 30, 2025
First seenDec 30, 2025
Weakness typeCWE-120CWE-120CWE-119Memory buffer bounds error
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| tenda ac20_firmware | v ≤ 16.03.08.12 | — |
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