What is the CVSS score of CVE-2022-28573?

CVE-2022-28573 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 27.5%.

Is there a public PoC exploit available for CVE-2022-28573?

Yes, a public proof-of-concept exploit is available for CVE-2022-28573. Prioritise patching immediately. EPSS: 27.5%.

Dir 823 Pro Firmware CVE-2022-28573

CRITICAL

OS Command Injection (CWE-78)

2022-05-02 cve@mitre.org

D-Link Command Injection Dir 823 Pro Firmware

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

May 02, 2022 - 14:15 nvd

CRITICAL 9.8

DescriptionNVD

D-Link DIR-823-Pro v1.0.2 was discovered to contain a command injection vulnerability in the function SetNTPserverSeting. This vulnerability allows attackers to execute arbitrary commands via the system_time_timezone parameter.

AnalysisAI

D-Link DIR-823-Pro v1.0.2 was discovered to contain a command injection vulnerability in the function SetNTPserverSeting. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. D-Link DIR-823-Pro v1.0.2 was discovered to contain a command injection vulnerability in the function SetNTPserverSeting. This vulnerability allows attackers to execute arbitrary commands via the system_time_timezone parameter. Affected products include: Dlink Dir-823 Pro Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.