CVE-2025-5623

CRITICAL

Dlink Dir-816 Firmware - Out-of-Bounds Write

Title source: rule
STIX 2.1

Description

A vulnerability was found in D-Link DIR-816 1.10CNB05. It has been classified as critical. This affects the function qosClassifier of the file /goform/qosClassifier. The manipulation of the argument dip_address/sip_address leads to stack-based buffer overflow. It is possible to initiate the attack 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.

References (5)

Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry technical-description
https://vuldb.com/?id.311109
Permissions Required signature permissions-required
https://vuldb.com/?ctiid.311109
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.589224
Product product
https://www.dlink.com/

Scores

CVSS v3 9.8
EPSS 0.0362
EPSS Percentile 87.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact total

Details

CWE
CWE-119 CWE-121 CWE-787
Status published
Products (1)
dlink/dir-816_firmware 1.10cnb05
Published Jun 05, 2025
Tracked Since Feb 18, 2026