Buffer Overflow in TOTOLINK A3002R and A3002RU Models
CVE-2025-4731

8.7HIGH

Key Information:

Vendor

Totolink
Status
A3002r
A3002ru
Vendor
CVE Published:
16 May 2025

Badges

👾 Exploit Exists

What is CVE-2025-4731?

A buffer overflow vulnerability has been identified in the HTTP POST Request Handler of the TOTOLINK A3002R and A3002RU models. This flaw arises from improper handling of the 'service_type' argument within the formPortFw component, allowing an attacker to exploit the vulnerability remotely. Successful exploitation may enable unauthorized access and manipulation of the system, potentially leading to severe security breaches. It is essential for users of these models to be aware of this issue and take necessary precautions to secure their devices.

Affected Version(s)

A3002R 3.0.0-B20230809.1615

A3002RU 3.0.0-B20230809.1615

References

https://vuldb.com/?id.309033
vdb-entrytechnical-description
https://vuldb.com/?ctiid.309033
signaturepermissions-required
https://vuldb.com/?submit.570688
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

  • 👾

    Exploit known to exist

  • Vulnerability published

.