Buffer Overflow in TOTOLINK A702R and A3002R Series Routers
CVE-2025-4829

8.7HIGH

Key Information:

Vendor

Totolink

Vendor
CVE Published:
17 May 2025

What is CVE-2025-4829?

A serious security vulnerability has been identified in TOTOLINK routers, specifically in the HTTP POST request handler function. This flaw allows an attacker to manipulate the 'submit-url' argument, leading to a buffer overflow condition. Such an exploit can be initiated remotely, putting devices at risk of compromise. It is crucial for users of the affected models, A702R, A3002R, and A3002RU, to remain vigilant and apply necessary updates or mitigations to safeguard their networks.

Affected Version(s)

A3002R 3.0.0-B20230809.1615

A3002RU 3.0.0-B20230809.1615

A702R 3.0.0-B20230809.1615

References

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

  • Vulnerability published

  • Vulnerability Reserved

Credit

BabyShark (VulDB User)
.
CVE-2025-4829 : Buffer Overflow in TOTOLINK A702R and A3002R Series Routers