Buffer Overflow Vulnerability in TOTOLINK X15 Device
CVE-2025-8246

8.7HIGH

Key Information:

Vendor

Totolink
Status
X15
Vendor
CVE Published:
27 July 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-8246?

A buffer overflow vulnerability exists in the HTTP POST Request Handler of the TOTOLINK X15 device, specifically within the file /boafrm/formRoute. This flaw arises when the argument 'submit-url' is manipulated, potentially allowing attackers to execute arbitrary code remotely. Due to the nature of this vulnerability, it poses significant security risks, as it could enable unauthorized access or control of the device. It is crucial for users to implement suitable security measures and monitor for any potential exploits.

Affected Version(s)

X15 1.0.0-B20230714.1105

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-2025-8246 - Proof of Concept

References

https://vuldb.com/?id.317834
vdb-entrytechnical-description
https://vuldb.com/?ctiid.317834
signaturepermissions-required
https://vuldb.com/?submit.622697
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

.