Command Injection Vulnerability in Tenda CH22 Router
CVE-2026-19346

8.7HIGH

Key Information:

Vendor

Tenda
Status
Ch22
Vendor
CVE Published:
9 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-19346?

A command injection vulnerability has been identified in the Tenda CH22 router, specifically in the function formCertListInfo located in the /goform/CertListInfo file. This vulnerability arises from improper handling of the 'Name' argument, allowing an attacker to execute arbitrary commands on the device. The exploit can be triggered remotely, posing a significant risk to users. It has been publicly disclosed, and organizations using affected versions are strongly advised to implement immediate security measures to safeguard against potential exploits.

Affected Version(s)

CH22 1.0.0.1

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-2026-19346 - Proof of Concept

References

https://vuldb.com/vuln/387182
vdb-entrytechnical-description
https://vuldb.com/vuln/387182/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-19346
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

ysnysn0121 (VulDB User)
.