What is the CVSS score of CVE-2023-39638?

CVE-2023-39638 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: 3.0%.

Is there a public PoC exploit available for CVE-2023-39638?

Yes, a public proof-of-concept exploit is available for CVE-2023-39638. Prioritise patching immediately. EPSS: 3.0%.

Dir 859 A1 Firmware CVE-2023-39638

CRITICAL

Command Injection (CWE-77)

2023-09-14 cve@mitre.org

D-Link Command Injection Dir 859 A1 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

Sep 14, 2023 - 22:15 nvd

CRITICAL 9.8

DescriptionNVD

D-LINK DIR-859 A1 1.05 and A1 1.06B01 Beta01 was discovered to contain a command injection vulnerability via the lxmldbc_system function at /htdocs/cgibin.

AnalysisAI

D-LINK DIR-859 A1 1.05 and A1 1.06B01 Beta01 was discovered to contain a command injection vulnerability via the lxmldbc_system function at /htdocs/cgibin. 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 Command Injection (CWE-77), which allows attackers to inject arbitrary commands into system command execution. D-LINK DIR-859 A1 1.05 and A1 1.06B01 Beta01 was discovered to contain a command injection vulnerability via the lxmldbc_system function at /htdocs/cgibin. Affected products include: Dlink Dir-859 A1 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use parameterized APIs, avoid shell execution, validate input with strict allowlists.