Buffer Overflow Vulnerability in Tenda CH22 Router
CVE-2025-9007

8.7HIGH

Key Information:

Vendor

Tenda
Status
Ch22
Vendor
CVE Published:
15 August 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-9007?

A buffer overflow vulnerability exists in the Tenda CH22 router, specifically within the function formeditFileName located in the /goform/editFileName file. This flaw can be exploited remotely, allowing attackers to manipulate system behaviors by injecting excessive data into the buffer. Given that this vulnerability has been disclosed publicly, it poses a significant risk to users whose devices are running the affected version. Vigilance and prompt security measures should be implemented to protect 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-2025-9007 - Proof of Concept

References

https://vuldb.com/?id.320036
vdb-entrytechnical-description
https://vuldb.com/?ctiid.320036
signaturepermissions-required
https://vuldb.com/?submit.628867
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

moweizhang1994 (VulDB User)
.
CVE-2025-9007 : Buffer Overflow Vulnerability in Tenda CH22 Router