CVE-2023-49351

CRITICAL
Published Jan 16, 2024 Modified Jun 2, 2025 CWE-787

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.

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CVSS v3.1 Score

9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-787 Out-of-bounds Write

Affected Products

Vendor Product
edimax br-6478ac_firmware
edimax br-6478ac

References

Frequently Asked Questions

What is CVE-2023-49351? +
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. It has a CVSS v3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2023-49351? +
CVE-2023-49351 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.
What products are affected by CVE-2023-49351? +
CVE-2023-49351 affects products from edimax, specifically: br-6478ac, br-6478ac_firmware. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2023-49351? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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