What is the CVSS score of CVE-2020-25368?

CVE-2020-25368 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: 12.6%.

Is there a public PoC exploit available for CVE-2020-25368?

Yes, a public proof-of-concept exploit is available for CVE-2020-25368. Prioritise patching immediately. EPSS: 12.6%.

Dir 823G Firmware CVE-2020-25368

CRITICAL

OS Command Injection (CWE-78)

2021-11-04 cve@mitre.org

Command Injection D-Link Dir 823G 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

Nov 04, 2021 - 11:15 nvd

CRITICAL 9.8

DescriptionNVD

A command injection vulnerability was discovered in the HNAP1 protocol in D-Link DIR-823G devices with firmware V1.0.2B05. An attacker is able to execute arbitrary web scripts via shell metacharacters in the PrivateLogin field to Login.

AnalysisAI

A command injection vulnerability was discovered in the HNAP1 protocol in D-Link DIR-823G devices with firmware V1.0.2B05. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and EPSS exploitation probability 12.6%.

Technical ContextAI

This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. A command injection vulnerability was discovered in the HNAP1 protocol in D-Link DIR-823G devices with firmware V1.0.2B05. An attacker is able to execute arbitrary web scripts via shell metacharacters in the PrivateLogin field to Login. Affected products include: Dlink Dir-823G 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.