9.0
HIGH CVSS 2.0
CVE-2026-11524
Tenda W20E Web Management modifyWifiFilterRules stack-based overflow
Description

A vulnerability has been found in Tenda W20E 15.11.0.6. Impacted is the function modifyWifiFilterRules of the file /goform/modifyWifiFilterRules of the component Web Management Interface. The manipulation of the argument wifiFilterListRemark leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

INFO

Published Date :

June 8, 2026, 4:16 p.m.

Last Modified :

June 8, 2026, 4:16 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-11524 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Tenda w20e_firmware
2 Tenda w20e
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
CVSS 3.1 HIGH [email protected]
CVSS 4.0 HIGH [email protected]
Solution
Update the Tenda W20E firmware to a version that addresses the stack-based buffer overflow vulnerability.
  • Update the Tenda W20E firmware.
  • Apply vendor-provided security patches.
References to Advisories, Solutions, and Tools
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-11524 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-11524 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-11524 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Jun. 08, 2026

    Action Type Old Value New Value
    Added Description A vulnerability has been found in Tenda W20E 15.11.0.6. Impacted is the function modifyWifiFilterRules of the file /goform/modifyWifiFilterRules of the component Web Management Interface. The manipulation of the argument wifiFilterListRemark leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CVSS V2 (AV:N/AC:L/Au:S/C:C/I:C/A:C)
    Added CWE CWE-119
    Added CWE CWE-121
    Added Reference https://github.com/Robots10/IoT_vlu/blob/main/reports/Tenda/formWifiFilterRulesModify/modifyWifiFilterRules.md
    Added Reference https://vuldb.com/cve/CVE-2026-11524
    Added Reference https://vuldb.com/submit/836478
    Added Reference https://vuldb.com/vuln/369144
    Added Reference https://vuldb.com/vuln/369144/cti
    Added Reference https://www.tenda.com.cn/
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.