Buffer Overflow Vulnerability in TOTOLINK EX1200T Router Component
CVE-2025-6162

8.7HIGH

Key Information:

Vendor

Totolink
Status
Ex1200t
Vendor
CVE Published:
17 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-6162?

A buffer overflow vulnerability exists in the HTTP POST Request Handler component of the TOTOLINK EX1200T router. Specifically, the issue arises from manipulation of the 'submit-url' argument in the /boafrm/formMultiAP file. This vulnerability allows an attacker to execute a remote exploit, potentially compromising the device's functionality. With the exploit publicly disclosed, immediate attention to upgrading affected firmware versions is crucial to mitigate risk.

Affected Version(s)

EX1200T 4.1.2cu.5232_B20210713

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-2025-6162 - Proof of Concept

References

https://vuldb.com/?id.312637
vdb-entrytechnical-description
https://vuldb.com/?ctiid.312637
signaturepermissions-required
https://vuldb.com/?submit.593600
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

Lena-lyy02 (VulDB User)
.
CVE-2025-6162 : Buffer Overflow Vulnerability in TOTOLINK EX1200T Router Component