Buffer Overflow Vulnerability in TOTOLINK X15 Firmware by TOTOLINK
CVE-2025-6146

8.7HIGH

Key Information:

Vendor

Totolink
Status
X15
Vendor
CVE Published:
17 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-6146?

A buffer overflow vulnerability has been identified in the TOTOLINK X15 firmware version 1.0.0-B20230714.1105, specifically within the HTTP POST Request Handler. This vulnerability arises from improper manipulation of the submit-url argument, allowing remote attackers to exploit the flaw. Successful exploitation could enable an attacker to execute arbitrary code or disrupt service. The exploit has been publicly disclosed, raising concerns about the security of devices running this firmware version.

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-2025-6146 - Proof of Concept

References

https://vuldb.com/?id.312621
vdb-entrytechnical-description
https://vuldb.com/?ctiid.312621
signaturepermissions-required
https://vuldb.com/?submit.593014
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

.