Buffer Overflow in Tenda AC10U Router's HTTP POST Request Handler
CVE-2025-15215

8.7HIGH

Key Information:

Vendor

Tenda
Status
Ac10u
Vendor
CVE Published:
30 December 2025

Badges

๐Ÿ‘พ Exploit Exists๐ŸŸก Public PoC

What is CVE-2025-15215?

A vulnerability has been identified in Tenda AC10U routers, specifically in the HTTP POST Request Handler associated with the setPptpUserList function. The issue arises from improper handling of user input in the argument list, leading to a potential buffer overflow. This flaw can be exploited remotely, allowing attackers to manipulate the device's functionality. As the exploit details have been publicly disclosed, it is crucial for users to be aware of this vulnerability and take necessary precautions to secure their devices.

Affected Version(s)

AC10U 15.03.06.48

AC10U 15.03.06.49

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-2025-15215 - Proof of Concept

References

https://vuldb.com/?id.338600
vdb-entrytechnical-description
https://vuldb.com/?ctiid.338600
signaturepermissions-required
https://vuldb.com/?submit.725365
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

  • ๐ŸŸก

    Public PoC available

  • ๐Ÿ‘พ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

yhryhryhr_miemie (VulDB User)
JSON
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CVE-2025-15215 : Buffer Overflow in Tenda AC10U Router's HTTP POST Request Handler