Is CVE-2021-26747 actively exploited?

CVE-2021-26747 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2021-26747?

CVE-2021-26747 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2021-26747?

Patch guidance is available from netis-systems security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2021-26747.

Fix CVE-2021-26747 - CRITICAL netis-systems wf2780 firmware

Q: Which products are affected by CVE-2021-26747?

2 products: netis-systems wf2780 firmware, netis-systems wf2411 firmware.

Description

Netis WF2780 2.3.40404 and WF2411 1.1.29629 devices allow Shell Metacharacter Injection into the ping command, leading to remote code execution.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-78 · OS Command Injection

Metadata

Primary Vendor: NETIS-SYSTEMS
Published: 2/18/2021
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2021-26747

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary