Stack Overflow Vulnerability in D-Link DIR-816A2 Product
CVE-2025-61577

7.5HIGH

Key Information:

Vendor

D-Link
Status
DIR-816A2
Vendor
CVE Published:
9 October 2025

What is CVE-2025-61577?

The D-Link DIR-816A2 device has a vulnerability that triggers a stack overflow due to improper handling of the 'statuscheckpppoeuser' parameter in the 'dir_setWanWifi' function. This flaw enables attackers to exploit the vulnerability by sending specially crafted inputs, potentially leading to a Denial of Service condition. As a result, the affected device can become unresponsive, disrupting normal network activity and access.

References

https://www.dlink.com/en/security-bulletin/
https://github.com/peris-navince/founded-0-days/blob/main...
https://github.com/Flechao1/iot-vuln/blob/main/dlink-816-...

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

JSON
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