Stack Overflow Vulnerability in Totolink A7000R Router
CVE-2025-63460

7.5HIGH

Key Information:

Vendor

Totolink
Status
A7000R Router
Vendor
CVE Published:
31 October 2025

What is CVE-2025-63460?

The Totolink A7000R router has been identified with a critical stack overflow vulnerability in its firmware version 9.1.0u.6115_B20201022. This flaw is triggered through the 'ssid5g' parameter within the sub_4222E0 function, allowing an unauthorized user to send a specifically crafted request. Exploiting this vulnerability could result in a Denial of Service (DoS), disrupting normal operations and leaving the device susceptible to further attacks. Users are strongly advised to update their firmware and secure their networks to mitigate potential risks.

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References

https://github.com/0-fool/VulnbyCola/blob/main/TOTOLINK/A...

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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