PT-2025-43330 · D Link · D-Link Dir-823G A1

Published 2025-10-22 · Updated 2025-11-19 · CVE-2025-60331

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions D-Link DIR-823G A1 version 1.0.2B05

Description The D-Link DIR-823G A1 device version 1.0.2B05 contains a buffer overflow in the FillMacCloneMac parameter of the /EXCU SHELL API endpoint. A crafted input to this parameter can lead to a Denial of Service (DoS).

Recommendations Update to a newer version that contains a fix for this vulnerability. As a temporary workaround, restrict access to the /EXCU SHELL endpoint.

Exploit

Fix

Stack Overflow

Weakness Enumeration

CWE-121

Related Identifiers

BDU:2025-14832

CVE-2025-60331

Affected Products

D-Link Dir-823G A1

References · 6

• 🔥 https://github.com/z472421519/BinaryAudit/blob/main/PoC/BOF/DIR823G/FillMacCloneMac/FillMacCloneMac.md · Exploit
• https://osv.dev/vulnerability/CVE-2025-60331 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-14832 · Security Note
• https://dlink.com/en/security-bulletin · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-60331 · Security Note
• https://twitter.com/CVEnew/status/1991066264048132461 · Twitter Post