What is the CVSS score of CVE-2020-12109?

CVE-2020-12109 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 74.3%.

Is there a public PoC exploit available for CVE-2020-12109?

Yes, a public proof-of-concept exploit is available for CVE-2020-12109. Prioritise patching immediately. EPSS: 74.3%.

Nc200 Firmware CVE-2020-12109

HIGH

OS Command Injection (CWE-78)

2020-05-04 cve@mitre.org

Command Injection TP-Link Nc200 Firmware Nc210 Firmware Nc220 Firmware Nc230 Firmware Nc250 Firmware Nc260 Firmware Nc450 Firmware

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

May 04, 2020 - 16:15 nvd

HIGH 8.8

DescriptionNVD

Certain TP-Link devices allow Command Injection. This affects NC200 2.1.9 build 200225, NC210 1.0.9 build 200304, NC220 1.3.0 build 200304, NC230 1.3.0 build 200304, NC250 1.3.0 build 200304, NC260 1.5.2 build 200304, and NC450 1.5.3 build 200304.

AnalysisAI

Certain TP-Link devices allow Command Injection. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, 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. Certain TP-Link devices allow Command Injection. This affects NC200 2.1.9 build 200225, NC210 1.0.9 build 200304, NC220 1.3.0 build 200304, NC230 1.3.0 build 200304, NC250 1.3.0 build 200304, NC260 1.5.2 build 200304, and NC450 1.5.3 build 200304. Affected products include: Tp-Link Nc200 Firmware, Tp-Link Nc210 Firmware, Tp-Link Nc220 Firmware, Tp-Link Nc230 Firmware, Tp-Link Nc250 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.