Buffer Overflow Vulnerability in TOTOLINK A800R Router
CVE-2025-28020

7.3HIGH

Key Information:

Vendor

TOTOLINK
Status
A800R
Vendor
CVE Published:
23 April 2025

What is CVE-2025-28020?

A buffer overflow vulnerability in the TOTOLINK A800R router allows attackers to exploit the downloadFile.cgi script via the v25 parameter. This can lead to unauthorized access and compromise the security of the device. Users are advised to take precautions and update their devices promptly to mitigate any potential risks associated with this vulnerability.

References

https://locrian-lightning-dc7.notion.site/BufferOverflow3...
https://locrian-lightning-dc7.notion.site/CVE-2025-28020-...

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

.