Buffer Overflow Vulnerability in TOTOLINK A-Series Routers
CVE-2025-28027

7.3HIGH

Key Information:

Vendor
TOTOLINK
Status
A-Series Routers
Vendor
CVE Published:
22 April 2025

Summary

A critical vulnerability has been identified in specific versions of TOTOLINK A-Series routers, featuring a buffer overflow issue in the downloadFile.cgi component. This flaw could allow an unauthorized user to execute arbitrary code, potentially leading to complete system compromise. It is crucial for users of the affected router models to apply the necessary updates to eliminate this security risk.

References

https://locrian-lightning-dc7.notion.site/BufferOverflow2...
https://locrian-lightning-dc7.notion.site/CVE-2025-28027-...

CVSS V3.1

Score:
7.3
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.