Stack Overflow Vulnerability in Totolink LR350 Router by Totolink
CVE-2025-63468

7.5HIGH

Key Information:

Vendor

Totolink
Status
Totolink LR350
Vendor
CVE Published:
31 October 2025

What is CVE-2025-63468?

A stack overflow vulnerability has been identified in the Totolink LR350 router, specifically in version 9.3.5u.6369_B20220309. This issue arises from improper handling of the http_host parameter within the sub_426EF8 function, allowing remote attackers to exploit this weakness to send crafted requests that can lead to a Denial of Service (DoS). As a result, this could disrupt the normal functionality of the router, making it essential for users to apply updates and implement protective measures.

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

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