Buffer Overflow Vulnerability in TOTOLINK EX1200T
CVE-2025-6145

8.7HIGH

Key Information:

Vendor

Totolink
Status
Ex1200t
Vendor
CVE Published:
16 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-6145?

A vulnerability exists in the TOTOLINK EX1200T model due to a flaw in the HTTP POST Request Handler. An attacker can exploit this by manipulating the 'submit-url' parameter, which can lead to a buffer overflow. This vulnerability allows for remote exploitation, potentially compromising the integrity of the system. Users of the affected version are strongly advised to apply security updates to mitigate risks associated with this vulnerability.

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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-2025-6145 - Proof of Concept

References

https://vuldb.com/?id.312620
vdb-entrytechnical-description
https://vuldb.com/?ctiid.312620
signaturepermissions-required
https://vuldb.com/?submit.593011
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

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