Command Injection Vulnerability in Tenda CH22 Router
CVE-2026-78063

5.3MEDIUM

Key Information:

Vendor

Tenda
Status
Ch22
Vendor
CVE Published:
23 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-78063?

A command injection vulnerability exists in the Tenda CH22 router, specifically in the formeditFileName function located in the /goform/editFileName file. This flaw allows an attacker to manipulate the editNameMit argument, enabling the execution of arbitrary commands remotely. The exploit has been publicly disclosed, raising concerns about potential unauthorized access and control over affected systems. It is crucial for users of the Tenda CH22 router to take immediate action to mitigate this vulnerability and secure their devices.

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-2026-78063 - Proof of Concept

References

https://vuldb.com/vuln/394303
vdb-entrytechnical-description
https://vuldb.com/vuln/394303/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-78063
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
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

ysnysnysn (VulDB User)
.