CVE-2025-8231

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.

CVSS v3 6.8 MEDIUM
CVSS v2.0 7.2 HIGH

6.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.9 / Impact : 5.9

Attack Vector PHYSICAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2^/10

CVSS v2.0 : HIGH

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

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

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

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:dlink:dir-890l_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:dlink:dir-890l:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2025-07-27 14:15

Updated : 2025-08-06 17:01

NVD link : CVE-2025-8231

Mitre link : CVE-2025-8231

CVE.ORG link : CVE-2025-8231

JSON object : View

Products Affected

dlink

dir-890l_firmware
dir-890l

CWE

CWE-259

Use of Hard-coded Password

CWE-798

Use of Hard-coded Credentials

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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."}, {"lang": "es", "value": "Se ha detectado una vulnerabilidad clasificada como cr\u00edtica en el D-Link DIR-890L hasta la versi\u00f3n 111b04. Este problema afecta a un procesamiento desconocido del archivo rgbin del componente Puerto UART. La manipulaci\u00f3n permite obtener credenciales codificadas. Es posible lanzar el ataque contra el dispositivo f\u00edsico. Se ha hecho p\u00fablico el exploit y puede que sea utilizado. Esta vulnerabilidad solo afecta a los productos que ya no reciben soporte del fabricante."}], "lastModified": "2025-08-06T17:01:33.037", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:dlink:dir-890l_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "534807AE-FD98-41D5-8D94-6E0E30296E11", "versionEndIncluding": "1.11b04"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:dlink:dir-890l:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "B1EA89C7-4655-43A3-9D2B-D57640D56C09"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "[email protected]"}