Vulnerability-Lookup

VAR-202507-2636

Vulnerability from variot - Updated: 2025-08-09 23:08

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. D-Link Systems, Inc. of DIR-890L The firmware contains vulnerabilities related to the use of hard-coded passwords and vulnerabilities related to the use of hard-coded credentials.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state

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CVE-2025-8231 (GCVE-0-2025-8231)

Vulnerability from cvelistv5 – Published: 2025-07-27 13:32 – Updated: 2025-07-28 14:54 Unsupported When Assigned

Title

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

Summary

Severity ?

7 (High)


                        
                          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

6.8 (Medium)


                        
                          CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

6.8 (Medium)


                        
                          CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

CWE

CWE-798 - Hard-coded Credentials
CWE-259 - Use of Hard-coded Password

Assigner

VulDB

References

URL

Tags

	https://vuldb.com/?id.317819	vdb-entry
	https://vuldb.com/?ctiid.317819	signaturepermissions-required
	https://vuldb.com/?submit.622337	third-party-advisory
	https://github.com/Nicholas-wei/bug-discovery/blo…	exploit
	https://www.dlink.com/	product

Impacted products

	Vendor	Product	Version
	D-Link	DIR-890L	Affected: 111b04

Credits

nich0las (VulDB User)

Show details on NVD website

JSON

To clipboard

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          "lang": "en",
          "time": "2025-07-26T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2025-07-26T15:23:06.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "D-Link DIR-890L UART Port rgbin hard-coded credentials"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2025-8231",
    "datePublished": "2025-07-27T13:32:05.676Z",
    "dateReserved": "2025-07-26T13:17:33.485Z",
    "dateUpdated": "2025-07-28T14:54:07.399Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

VAR-202507-2636

CVE-2025-8231 (GCVE-0-2025-8231)

Tags

Sightings

Nomenclature