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Unrated severityNVD Advisory· Published Oct 7, 2025· Updated Feb 24, 2026

Tenda AC20 fast_setting_wifi_set sscanf buffer overflow

CVE-2025-11385

Description

A vulnerability has been found in Tenda AC20 up to 16.03.08.12. The affected element is the function sscanf of the file /goform/fast_setting_wifi_set. The manipulation of the argument timeZone leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

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Affected products

2
  • Tenda/Ac20v52 versions
    cpe:2.3:o:tenda:ac20_firmware:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:tenda:ac20_firmware:*:*:*:*:*:*:*:*range: 16.03.08.0
    • (no CPE)range: <=16.03.08.12

Patches

Vulnerability mechanics

References

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