CVE-2025-61577 — HIGH (7.5)

Vulnerability Description

D-Link DIR-816A2_FWv1.10CNB05 was discovered to contain a stack overflow via the statuscheckpppoeuser parameter in the dir_setWanWifi function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Dlink	Dir-816 Firmware	1.10cnb05
Dlink	Dir-816	a2

Related Weaknesses (CWE)

CWE-121

References

https://github.com/Flechao1/iot-vuln/blob/main/dlink-816-b05.mdExploitThird Party Advisory
https://github.com/peris-navince/founded-0-days/blob/main/Dlink/816/dir_setWanWiExploitThird Party Advisory
https://www.dlink.com/en/security-bulletin/Vendor Advisory

FAQ

What is CVE-2025-61577?

CVE-2025-61577 is a vulnerability with a CVSS score of 7.5 (HIGH). D-Link DIR-816A2_FWv1.10CNB05 was discovered to contain a stack overflow via the statuscheckpppoeuser parameter in the dir_setWanWifi function. This vulnerability allows attackers to cause a Denial of...

How severe is CVE-2025-61577?

CVE-2025-61577 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-61577?

Check the references section above for vendor advisories and patch information. Affected products include: Dlink Dir-816 Firmware, Dlink Dir-816.