CVE-2025-11385CWE-119CWE-120

CVE-2025-11385

High · published October 7, 2025

CVSS v3.1

8.8

EPSS

Percentile

56.2

In the wild

Unconfirmed

What it is

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.

The record

Technical detail

CVSS v3.1: 8.8 · HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0: Not supplied
EPSS: 0.00802 · 56.2th percentile
Weaknesses: CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published: 2025-10-07T14:15Z

Affected products (1)

Product	Versions	Fixed in
tenda/ac20_firmware	all versions	—

References (6)

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

EPSS history

Timeline

07 OCT 09:32Z
Tenda AC20 fast_setting_wifi_set sscanf buffer overflow
cvelistv5