CVE-2023-32143

Name: CVE-2023-32143
Creator: NVD / NIST
Published: 2024-05-03T02:15:18.053+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.13%

Last modified Jun 17, 2026

CVE-2023-32143 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. D-Link DAP-1360 webupg UPGCGI_CheckAuth Numeric Truncation Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-1360 routers. EPSS estimates a 1.13% chance of exploitation in the next 30 days.

Description

D-Link DAP-1360 webupg UPGCGI_CheckAuth Numeric Truncation Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-1360 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of requests to the /cgi-bin/webupg endpoint. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to execute code in the context of root. . Was ZDI-CAN-18423.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

1.13%

62.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Dlink	Dap-1360 Firmware	< 6.15eub01
Dlink	Dap-2020 Firmware	< 1.03rc004

References

https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10324Patch, Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-23-535/Third Party Advisory
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10324Patch, Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-23-535/Third Party Advisory

Timeline

Published: May 3, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2023-32143?

How severe is CVE-2023-32143?

CVE-2023-32143 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.13% probability of exploitation in the next 30 days.

How do I fix CVE-2023-32143?

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-2023-32143?

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

Scan your code now

Source: NVD / NIST