Command Injection Vulnerability in Tenda CH22 Router
CVE-2026-78141

5.3MEDIUM

Key Information:

Vendor

Tenda
Status
Ch22
Vendor
CVE Published:
23 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-78141?

A command injection vulnerability exists in the Tenda CH22 router version 1.0.0.1 within the formexeCommand function found in the /goform/exeCommand file. This vulnerability allows attackers to manipulate input arguments, specifically 'cmdinput', potentially enabling them to execute arbitrary commands remotely. The exploit has been publicly disclosed, increasing the risk of unprotected devices being compromised. Users are urged to take appropriate security measures to mitigate potential threats.

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-2026-78141 - Proof of Concept

References

https://vuldb.com/vuln/394524
vdb-entrytechnical-description
https://vuldb.com/vuln/394524/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-78141
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)
.