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Vulnerability record · CVE-2025-11550 · published 9 October 2025

CVE-2025-11550: Tenda w12 firmware improper resource shutdown vulnerability

Tenda · W12 Firmware

A vulnerability was found in Tenda W12 3.0.0.6(3948). The impacted element is the function wifiScheduledSet of the file /goform/modules of the component HTTP Request Handler. The manipulation of the argument wifiScheduledSet results in null pointer dereference. The attack may be performed from remote. The exploit has been made public and could be used.

5.7 CVSS 4.0 Medium EPSS 0.96% · top 40.1% CWE-404 · Improper resource shutdownCWE-476 · NULL pointer dereference
5.7CVSS 4.0 base score, v2 6.8
0.96%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

A vulnerability was found in Tenda W12 3.0.0.6(3948). The impacted element is the function wifiScheduledSet of the file /goform/modules of the component HTTP Request Handler. The manipulation of the argument wifiScheduledSet results in null pointer dereference. The attack may be performed from remote. The exploit has been made public and could be used.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/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:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/z472421519/BinaryAudit/blob/main/PoC/NPD/Tenda_W12/cgiWifiScheduledSet/cgiWifiScheduledSet.md ExploitThird Party Advisory
https://vuldb.com/?ctiid.327709 Permissions RequiredVDB Entry
https://vuldb.com/?id.327709 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.670118 Third Party AdvisoryVDB Entry
https://www.tenda.com.cn/ Product
https://github.com/z472421519/BinaryAudit/blob/main/PoC/NPD/Tenda_W12/cgiWifiScheduledSet/cgiWifiScheduledSet.md ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.7CVE-2025-4007Tenda w12 firmware memory buffer overflow vulnerabilityA vulnerability classified as critical was found in Tenda W12 and i24 3.0.0.4(2887)/3.0.0.5(3644). Affected by this vulnerability is the function cgi…EPSS 1.0%8.7CVE-2025-3820Tenda w12 firmware memory buffer overflow vulnerabilityA vulnerability was found in Tenda W12 and i24 3.0.0.4(2887)/3.0.0.5(3644) and classified as critical. Affected by this issue is the function cgiSysU…EPSS 13%8.7CVE-2025-3803Tenda w12 firmware memory buffer overflow vulnerabilityA vulnerability was found in Tenda W12 and i24 3.0.0.4(2887)/3.0.0.5(3644). It has been rated as critical. This issue affects the function cgiSysSche…EPSS 1.0%8.7CVE-2025-3802Tenda w12 firmware memory buffer overflow vulnerabilityA vulnerability was found in Tenda W12 and i24 3.0.0.4(2887)/3.0.0.5(3644). It has been declared as critical. This vulnerability affects the function…EPSS 1.1%8.7CVE-2025-3693Tenda w12 firmware memory buffer overflow vulnerabilityA vulnerability was found in Tenda W12 3.0.0.5. It has been rated as critical. Affected by this issue is the function cgiWifiRadioSet of the file /bi…EPSS 7.4%7.4CVE-2025-11549Tenda w12 firmware memory buffer overflow vulnerabilityA vulnerability has been found in Tenda W12 3.0.0.6(3948). The affected element is the function wifiMacFilterSet of the file /goform/modules of the c…EPSS 8.5%0.9CVE-2025-9778Tenda w12 firmware hard-coded password vulnerabilityA security vulnerability has been detected in Tenda W12 up to 3.0.0.6(3948). Affected is an unknown function of the file /etc_ro/shadow of the compon…EPSS 0.14%7.8CVE-2018-8639Windows Win32k memory handling flaw allows privilege elevationThe Win32k component in Windows fails to properly handle objects in memory, creating an elevation of privilege vulnerability. It affects a broad rang…KEVEPSS 22%analysed

Source: NIST National Vulnerability Database (record CVE-2025-11550), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.