Stack Overflow Vulnerability in Totolink LR350 Router
CVE-2025-63464

7.5HIGH

Key Information:

Vendor

Totolink
Status
LR350
Vendor
CVE Published:
31 October 2025

What is CVE-2025-63464?

A stack overflow vulnerability has been identified in the Totolink LR350 router firmware version 9.3.5u.6369_B20220309. The issue arises from improper handling of the 'ssid' parameter in the sub_42396C function, allowing attackers to exploit this flaw. By sending specially crafted requests, adversaries can trigger a Denial of Service (DoS) condition, potentially disrupting the availability of network services for users.

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
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CVE-2025-63464 : Stack Overflow Vulnerability in Totolink LR350 Router