CVE-2025-8231

Name: CVE-2025-8231
Creator: NVD / NIST
Published: 2025-07-27T14:15:24.95+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.2/10EPSS 0.63%

Last modified Jun 17, 2026

CVE-2025-8231 is a medium-severity vulnerability rated 5.2/10 on the CVSS scale. 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. EPSS estimates a 0.63% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

6.8/10

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

CVSS 4.0

5.2/10

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.63%

45.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Dlink	Dir-890l Firmware	<= 1.11b04

References

https://github.com/Nicholas-wei/bug-discovery/blob/main/dlink/dir890-hardcoded/dir890-hardcoded.mdExploit
https://vuldb.com/?ctiid.317819Permissions Required, VDB Entry
https://vuldb.com/?id.317819Third Party Advisory, VDB Entry
https://vuldb.com/?submit.622337Third Party Advisory, VDB Entry
https://www.dlink.com/Product

Timeline

Published: Jul 27, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-8231?

How severe is CVE-2025-8231?

CVE-2025-8231 has a CVSS score of 5.2/10 (MEDIUM severity). The EPSS model estimates a 0.63% probability of exploitation in the next 30 days.

How do I fix CVE-2025-8231?

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-2025-8231?

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

Scan your code now

Source: NVD / NIST