Buffer Overflow Vulnerability in Tenda G0 Web Management Interface
CVE-2026-19792

8.7HIGH

Key Information:

Vendor

Tenda
Status
G0
Vendor
CVE Published:
14 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-19792?

A vulnerability in the web management interface of Tenda G0 devices allows remote attackers to exploit buffer overflow via manipulated arguments in the setPortMapping function. This issue was found in the /goform/module file, which compromises the application's ability to handle input correctly, potentially leading to unauthorized access and control over the affected devices. The exploit has been publicly disclosed, heightening the risk for users operating within the specified version range.

Affected Version(s)

G0 20260625

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-2026-19792 - Proof of Concept

References

https://vuldb.com/vuln/389758
vdb-entrytechnical-description
https://vuldb.com/vuln/389758/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-19792
third-party-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
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

stksgg (VulDB User)
.