Buffer Overflow Vulnerability in TOTOLINK A3002R Router
CVE-2025-45861

9.8CRITICAL

Key Information:

Vendor

TOTOLINK
Status
A3002R
Vendor
CVE Published:
13 May 2025

What is CVE-2025-45861?

A buffer overflow vulnerability has been identified in the TOTOLINK A3002R router affecting version v4.0.0-B20230531.1404. This security issue arises from improper handling of the 'routername' parameter in the formDnsv6 interface, which may allow attackers to exploit the vulnerability for arbitrary code execution or denial of service. Users of affected products are advised to update their firmware and follow recommended security practices to mitigate potential risks.

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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

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