Buffer Overflow Vulnerability in TOTOLINK Routers
CVE-2025-4825

8.7HIGH

Key Information:

Vendor

Totolink
Status
A702r
A3002r
A3002ru
Vendor
CVE Published:
17 May 2025

Badges

👾 Exploit Exists

What is CVE-2025-4825?

A critical vulnerability has been identified within various TOTOLINK router models, specifically affecting the HTTP POST Request Handler component. The issue arises from improper handling of the 'submit-url' argument within the file /boafrm/formDMZ, leading to a buffer overflow situation. This vulnerability can be exploited remotely, allowing attackers to manipulate the affected routers, potentially compromising the integrity and security of the network. It is crucial for users of these affected models to monitor for any signs of exploit attempts and ensure timely mitigation.

Affected Version(s)

A3002R 3.0.0-B20230809.1615

A3002RU 3.0.0-B20230809.1615

A702R 3.0.0-B20230809.1615

References

https://vuldb.com/?id.309286
vdb-entrytechnical-description
https://vuldb.com/?ctiid.309286
signaturepermissions-required
https://vuldb.com/?submit.574596
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

  • Vulnerability Reserved

Credit

CH13hh (VulDB User)
.
CVE-2025-4825 : Buffer Overflow Vulnerability in TOTOLINK Routers