CVE-2025-11385

HIGH 8.8

Tenda AC20 fast_setting_wifi_set sscanf buffer overflow

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-120 CWE-119
Vendor	tenda
Product	ac20
Published	Oct 7, 2025
Last Updated	Feb 24, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Tenda / AC20

16.03.08.0 16.03.08.1 16.03.08.2 16.03.08.3 16.03.08.4 16.03.08.5 16.03.08.6 16.03.08.7 16.03.08.8 16.03.08.9 16.03.08.10 16.03.08.11 16.03.08.12

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/?id.327312 vuldb.com: https://vuldb.com/?ctiid.327312 vuldb.com: https://vuldb.com/?submit.664922 github.com: https://github.com/cymiao1978/cve/blob/main/11.md github.com: https://github.com/cymiao1978/cve/blob/main/11.md#poc tenda.com.cn: https://www.tenda.com.cn/

Credits

🔍 cymiao (VulDB User)