CVE-2025-5624: D-Link DIR-816 QoSPortSetup stack-based overflow

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-06-05 · updated 2026-06-17
Weakness: CWE-119

Description

A vulnerability was found in D-Link DIR-816 1.10CNB05. It has been declared as critical. This vulnerability affects the function QoSPortSetup of the file /goform/QoSPortSetup. The manipulation of the argument port0_group/port0_remarker/ssid0_group/ssid0_remarker leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

Affected products

D-Link DIR-816: 1.10cnb05

References

https://github.com/wudipjq/my_vuln/blob/main/D-Link5/vuln_53/53.md
https://vuldb.com/?ctiid.311110
https://vuldb.com/?id.311110
https://vuldb.com/?submit.589226
https://www.dlink.com/
https://github.com/wudipjq/my_vuln/blob/main/D-Link5/vuln_53/53.md

Get alerted when CVE-2025-5624 or the next vulnerability affects your stack