CVE-2025-11385
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Vulnerability report for CVE-2025-11385, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2025-10-07

Last updated on: 2025-10-09

Assigner: VulDB

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.

CVSS Scores

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Meta Information

Published
2025-10-07
Last Modified
2025-10-09
Generated
2026-07-06
AI Q&A
2025-10-07
EPSS Evaluated
2026-07-05
NVD

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
tenda ac20_firmware 16.03.08.12
tenda ac20 *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-119 The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
CWE-120 The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.

Attack-Flow Graph

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Executive Summary

This vulnerability exists in the Tenda AC20 router firmware up to version 16.03.08.12. It is caused by improper handling of the 'timeZone' argument in the sscanf function within the /goform/fast_setting_wifi_set file, leading to a buffer overflow. This flaw can be exploited remotely, allowing an attacker to potentially execute arbitrary code or cause a denial of service.

Impact Analysis

The vulnerability can be exploited remotely to cause a buffer overflow, which may allow attackers to execute arbitrary code, disrupt the normal operation of the device, or cause a denial of service. This can compromise the security and availability of the affected router and any network relying on it.

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EPSS Chart