Stack-Based Buffer Overflow in Tenda CH22 by Tenda
CVE-2026-5152

8.7HIGH

Key Information:

Vendor

Tenda
Status
Ch22
Vendor
CVE Published:
30 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-5152?

A stack-based buffer overflow vulnerability has been identified in the Tenda CH22 router affecting version 1.0.0.1. The issue arises in the formCreateFileName function located in the /goform/createFileName file, which allows an attacker to manipulate the fileNameMit argument. This manipulation can potentially lead to unexpected behavior or crash the system, making it exploitable through remote attacks. As the exploit is publicly available, it is crucial for users to mitigate this risk to secure their devices and networks.

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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-2026-5152 - Proof of Concept

References

https://vuldb.com/vuln/354184
vdb-entrytechnical-description
https://vuldb.com/vuln/354184/cti
signaturepermissions-required
https://vuldb.com/submit/780203
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

LtzHuster (VulDB User)
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