Buffer Overflow in TOTOLINK X15 Affected by HTTP POST Handler
CVE-2025-6824

8.7HIGH

Key Information:

Vendor

Totolink
Status
X15
Vendor
CVE Published:
28 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-6824?

A buffer overflow vulnerability exists in the TOTOLINK X15 router, specifically within the HTTP POST Request Handler's formParentControl function. The issue arises when the 'submit-url' argument is manipulated, which can lead to potential unauthorized access and compromise of the device. This vulnerability can be exploited remotely, allowing attackers to execute arbitrary code, posing significant risks to device security and network integrity.

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-2025-6824 - Proof of Concept

References

https://vuldb.com/?id.314262
vdb-entrytechnical-description
https://vuldb.com/?ctiid.314262
signaturepermissions-required
https://vuldb.com/?submit.602643
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

Ye Leipeng (VulDB User)
.
CVE-2025-6824 : Buffer Overflow in TOTOLINK X15 Affected by HTTP POST Handler