CVE-2025-8231

Public Exploit
D-Link DIR-890L UART Port rgbin hard-coded credentials

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.

Categories

7.0
CVSS
Severity: High
CVSS 4.0 •
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.02%
Third-Party Advisory vuldb.com Third-Party Advisory vuldb.com
Affected: D-Link DIR-890L
Published at:
Updated at:

References

Link Tags
https://vuldb.com/?id.317819 vdb entry third party advisory
https://vuldb.com/?ctiid.317819 permissions required signature vdb entry
https://vuldb.com/?submit.622337 vdb entry third party advisory
https://github.com/Nicholas-wei/bug-discovery/blob/main/dlink/dir890-hardcoded/dir890-hardcoded.md exploit
https://www.dlink.com/ product

Frequently Asked Questions

What is the severity of CVE-2025-8231?
CVE-2025-8231 has been scored as a high severity vulnerability.
How to fix CVE-2025-8231?
To fix CVE-2025-8231, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-8231 being actively exploited in the wild?
It is possible that CVE-2025-8231 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-8231?
CVE-2025-8231 affects D-Link DIR-890L.
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