Stack Overflow Vulnerability in Totolink Router Product
CVE-2025-63465

7.5HIGH

Key Information:

Vendor

Totolink
Status
LR350
Vendor
CVE Published:
31 October 2025

What is CVE-2025-63465?

The Totolink LR350, specifically version v9.3.5u.6369_B20220309, has been identified to have a stack overflow vulnerability that can be exploited through the 'ssid' parameter in the sub_422880 function. When attackers send specially crafted requests to the device, they are capable of causing a Denial of Service (DoS), rendering the router inoperable and disrupting services for all users connected to it.

References

https://github.com/0-fool/VulnbyCola/blob/main/TOTOLINK/L...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
.