Denial of Service Vulnerability in Tenda W12 Web Management Interface
CVE-2026-10190

7.1HIGH

Key Information:

Vendor

Tenda
Status
W12
Vendor
CVE Published:
31 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-10190?

A denial of service vulnerability exists in the Tenda W12's Web Management Interface, specifically within the cgiSysWebTimeoutSet function of the httpd server component. This vulnerability arises from improper handling of the 'web_over_time' parameter, allowing an attacker to manipulate backend settings and cause the system to become unresponsive. This attack can be executed remotely, and the exploit is publicly available, raising significant concerns for users of impacted versions.

Affected Version(s)

W12 3.0.0.7(4763)

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-10190 - Proof of Concept

References

https://vuldb.com/vuln/367471
vdb-entrytechnical-description
https://vuldb.com/vuln/367471/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-10190
third-party-advisory

CVSS V4

Score:
7.1
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

CookedMelon (VulDB User)
.