Buffer Overflow Vulnerability in TOTOLINK A3002R Router
CVE-2025-45865

9.8CRITICAL

Key Information:

Vendor

TOTOLINK
Status
A3002R Router
Vendor
CVE Published:
13 May 2025

What is CVE-2025-45865?

The TOTOLINK A3002R router version v4.0.0-B20230531.1404 has been found to exhibit a buffer overflow vulnerability, specifically through the dnsaddr parameter in the dhcpv6s interface. This flaw could potentially allow an attacker to manipulate the device's memory, leading to unauthorized access or denial of service. It is crucial for users of this device to take necessary precautions and apply any available patches to mitigate risks associated with this vulnerability.

References

https://www.totolink.net/home/menu/detail/menu_listtpl/do...
https://github.com/Jiangxiazhe/IOT_hack/blob/main/TOTOLIN...

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.