CVE-2025-15356

moderate-risk
Published 2025-12-30

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.

Do I need to act?

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0.13% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Tenda

References (6)

Exploit https://github.com/xyh4ck/iot_poc/blob/main/Tenda%20AC20_Buffer_Overflow/Tenda%2...
Exploit https://github.com/xyh4ck/iot_poc/tree/main/Tenda%20AC20_Buffer_Overflow
Permissions Required https://vuldb.com/?ctiid.338742
Third Party Advisory https://vuldb.com/?id.338742
Third Party Advisory https://vuldb.com/?submit.726360
Product https://www.tenda.com.cn/
36
/ 100
moderate-risk
Severity 30/34 · Critical
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal