Buffer Overflow Vulnerability in Tenda CH22 Router
CVE-2025-13288

8.7HIGH

Key Information:

Vendor

Tenda
Status
Ch22
Vendor
CVE Published:
17 November 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-13288?

A security vulnerability has been identified in the Tenda CH22 router, specifically affecting the function fromPptpUserSetting located in the /goform/PPTPUserSetting file. This vulnerability allows attackers to manipulate the 'delno' argument, leading to potential buffer overflow conditions. The attack can be executed remotely, underscoring the importance of promptly addressing this issue. The exploit details have been made public, increasing the urgency for users to secure their systems.

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-2025-13288 - Proof of Concept

References

https://vuldb.com/?id.332628
vdb-entrytechnical-description
https://vuldb.com/?ctiid.332628
signaturepermissions-required
https://vuldb.com/?submit.691594
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

yuan253 (VulDB User)
JSON
.
CVE-2025-13288 : Buffer Overflow Vulnerability in Tenda CH22 Router