Buffer Overflow Vulnerability in TOTOLINK EX1200T Router
CVE-2025-5793

8.7HIGH

Key Information:

Vendor

Totolink
Status
Ex1200t
Vendor
CVE Published:
6 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-5793?

A buffer overflow vulnerability has been identified in the TOTOLINK EX1200T router, specifically within the HTTP POST Request Handler component at the /boafrm/formPortFw file. An attacker can exploit this weakness by manipulating the 'service_type' argument, potentially allowing for unauthorized remote access. The public disclosure of this exploit raises significant security concerns, emphasizing the need for immediate attention and patching to mitigate potential threats. Users are advised to update their devices to secure versions and follow recommended security practices.

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-2025-5793 - Proof of Concept

References

https://vuldb.com/?id.311340
vdb-entrytechnical-description
https://vuldb.com/?ctiid.311340
signaturepermissions-required
https://vuldb.com/?submit.591222
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

wang_lun (VulDB User)
.
The Cyber Security Vulnerability Database.