// For flags

CVE-2025-5621

D-Link DIR-816 qosClassifier os command injection

Severity Score

6.9
*CVSS v4

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Attend
*SSVC
Descriptions

A vulnerability has been found in D-Link DIR-816 1.10CNB05 and classified as critical. Affected by this vulnerability is the function qosClassifier of the file /goform/qosClassifier. The manipulation of the argument dip_address/sip_address leads to os command injection. The attack can be launched 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.

Se ha detectado una vulnerabilidad en D-Link DIR-816 1.10CNB05, clasificada como crítica. Esta vulnerabilidad afecta a la función qosClassifier del archivo /goform/qosClassifier. La manipulación del argumento dip_address/sip_address provoca la inyección de comandos del sistema operativo. El ataque puede ejecutarse en remoto. Se ha hecho público el exploit y puede que sea utilizado. Esta vulnerabilidad solo afecta a los productos que ya no reciben soporte del fabricante.

In D-Link DIR-816 1.10CNB05 wurde eine Schwachstelle gefunden. Sie wurde als kritisch eingestuft. Betroffen ist die Funktion qosClassifier der Datei /goform/qosClassifier. Mittels dem Manipulieren des Arguments dip_address/sip_address mit unbekannten Daten kann eine os command injection-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk passieren. Der Exploit steht zur öffentlichen Verfügung.

*Credits: pjqwudi
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
System
Vulnerable | Subsequent
Confidentiality
Low
None
Integrity
Low
None
Availability
Low
None
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:Attend
Exploitation
Poc
Automatable
Yes
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2025-06-04 CVE Reserved
  • 2025-06-04 CVE Published
  • 2025-06-05 CVE Updated
  • 2025-06-05 EPSS Updated
  • 2025-06-05 First Exploit
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')
  • CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
D-link
Search vendor "D-link"
Dir-816
Search vendor "D-link" for product "Dir-816"
*-
Affected