Is CVE-2023-49351 actively exploited?

CVE-2023-49351 has no public evidence of in-the-wild exploitation as of 2025-06-02.

What is the CVSS score for CVE-2023-49351?

CVE-2023-49351 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-2023-49351?

Patch guidance is available from edimax security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2023-49351.

Which products are affected by CVE-2023-49351?

1 product: edimax br-6478ac firmware.

Fix CVE-2023-49351 - CRITICAL edimax br-6478ac firmware

Description

A stack-based buffer overflow vulnerability in /bin/webs binary in Edimax BR6478AC V2 firmware veraion v1.23 allows attackers to overwrite other values located on the stack due to an incorrect use of the strcpy() function.

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-787 · Out-of-bounds Write CWE-787 · Out-of-bounds Write

Metadata

Primary Vendor: EDIMAX
Published: 1/16/2024
Last Modified: 6/2/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2023-49351

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary