Critical severity · published Jun 5, 2025
CVE-2025-5623
A vulnerability was found in D-Link DIR-816 1.10CNB05
9.8
CVSS
18.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)18.5% · higher than 97% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DF
Dir-816 Firmware · Dlink
1.10cnb05 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-5623
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-5623
Exploit
https://github.com/wudipjq/my_vuln/blob/main/D-Link5/vuln_51/51.md
Permissions Required
https://vuldb.com/?ctiid.311109
Third Party Advisory
https://vuldb.com/?id.311109
Third Party Advisory
https://vuldb.com/?submit.589224
Product
https://www.dlink.com/
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