Buffer Overflow Vulnerability in Tenda CH22 Router
CVE-2025-12322

8.7HIGH

Key Information:

Vendor

Tenda
Status
Ch22
Vendor
CVE Published:
27 October 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-12322?

A buffer overflow vulnerability has been identified in the Tenda CH22 router version 1.0.0.1, particularly within the fromNatStaticSetting function located in the /goform/NatStaticSetting file. This vulnerability allows an attacker to manipulate the argument page, potentially leading to a remote exploitation scenario. As the exploit for this vulnerability has been publicly disclosed, it poses a significant risk, making it crucial for users to be aware and take preventive measures.

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-2025-12322 - Proof of Concept

References

https://vuldb.com/?id.330101
vdb-entrytechnical-description
https://vuldb.com/?ctiid.330101
signaturepermissions-required
https://vuldb.com/?submit.674151
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

hhsw34 (VulDB User)
JSON
.
CVE-2025-12322 : Buffer Overflow Vulnerability in Tenda CH22 Router