CVE-2025-8231 HIGH

CVE-2025-8231: D-Link DIR-890L UART Port rgbin hard-coded credentials

Vendor D-Link
Product DIR-890L
Weakness CWE-798 · Hardcoded credentials
Published July 27, 2025
Last update July 28, 2025

CVSS base score

7.0/10
Attack vector Physical
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A vulnerability, which was classified as critical, has been found in D-Link DIR-890L up to 111b04. This issue affects some unknown processing of the file rgbin of the component UART Port. The manipulation leads to hard-coded credentials. It is possible to launch the attack on the physical device. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

Key dates

02Disclosure timeline

July 27, 2025 CVE published
July 28, 2025 Record updated