CVE-2021-21816 — MEDIUM (4.3)

Vulnerability Description

An information disclosure vulnerability exists in the Syslog functionality of D-LINK DIR-3040 1.13B03. A specially crafted network request can lead to the disclosure of sensitive information. An attacker can send an HTTP request to trigger this vulnerability.

CVSS Score

4.3

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

LOW

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Dlink	Dir-3040 Firmware	1.13b03
Dlink	Dir-3040	-

Related Weaknesses (CWE)

CWE-200

References

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1281ExploitThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1281ExploitThird Party Advisory

FAQ

What is CVE-2021-21816?

CVE-2021-21816 is a vulnerability with a CVSS score of 4.3 (MEDIUM). An information disclosure vulnerability exists in the Syslog functionality of D-LINK DIR-3040 1.13B03. A specially crafted network request can lead to the disclosure of sensitive information. An attac...

How severe is CVE-2021-21816?

CVE-2021-21816 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-21816?

Check the references section above for vendor advisories and patch information. Affected products include: Dlink Dir-3040 Firmware, Dlink Dir-3040.