CVE-2023-43203

Name: CVE-2023-43203
Creator: NVD / NIST
Published: 2023-09-20T14:15:14.513+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.75%

Last modified Jun 17, 2026

CVE-2023-43203 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. D-LINK DWL-6610 FW_v_4.3.0.8B003C was discovered to contain a stack overflow vulnerability in the function update_users.. EPSS estimates a 0.75% chance of exploitation in the next 30 days.

Description

D-LINK DWL-6610 FW_v_4.3.0.8B003C was discovered to contain a stack overflow vulnerability in the function update_users.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

0.75%

50.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Dlink	Dwl-6610ap Firmware	4.3.0.8b003c

References

https://github.com/Archerber/bug_submit/blob/main/D-Link/DWL-6610/bug1.mdExploit, Third Party Advisory
https://github.com/Archerber/bug_submit/blob/main/D-Link/DWL-6610/bug1.mdExploit, Third Party Advisory

Timeline

Published: Sep 20, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-43203?

D-LINK DWL-6610 FW_v_4.3.0.8B003C was discovered to contain a stack overflow vulnerability in the function update_users.

How severe is CVE-2023-43203?

CVE-2023-43203 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.75% probability of exploitation in the next 30 days.

How do I fix CVE-2023-43203?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-43203?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST