cvelistv5 - cve-2025-8656

CVE-2025-8656 (GCVE-0-2025-8656)

Vulnerability from cvelistv5 – Published: 2025-08-06 01:19 – Updated: 2025-08-06 13:49

Summary

Kenwood DMX958XR Protection Mechanism Failure Software Downgrade Vulnerability. This vulnerability allows physically present attackers to downgrade software on affected installations of Kenwood DMX958XR devices. Authentication is not required to exploit this vulnerability. The specific flaw exists within the libSystemLib library. The issue results from the lack of proper validation of version information before performing an update. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-26355.

Severity ?

6.8 (Medium)


                        
                          CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-693 - Protection Mechanism Failure

Assigner

zdi

References

URL

Tags

https://www.zerodayinitiative.com/advisories/ZDI-…

x_research-advisory

Impacted products

	Vendor	Product	Version
	Kenwood	DMX958XR	Affected: 1.0.0509.3100

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2025-8656

Vulnerability from fkie_nvd - Published: 2025-08-06 02:15 - Updated: 2025-08-07 16:49

Severity ?

6.8 (Medium) - CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

References

	URL	Tags
	zdi-disclosures@trendmicro.com	https://www.zerodayinitiative.com/advisories/ZDI-25-804/	Third Party Advisory

Impacted products

	Vendor	Product	Version
	jvckenwood	dmx958xr_firmware	1.0.0509.3100
	jvckenwood	dmx958xr	-

JSON

To clipboard

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    },
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      "value": "Vulnerabilidad de degradaci\u00f3n de software por fallo del mecanismo de protecci\u00f3n del Kenwood DMX958XR. Esta vulnerabilidad permite a atacantes con presencia f\u00edsica degradar el software en las instalaciones afectadas de los dispositivos Kenwood DMX958XR. No se requiere autenticaci\u00f3n para explotar esta vulnerabilidad. La falla espec\u00edfica se encuentra en la librer\u00eda libSystemLib. El problema se debe a la falta de una validaci\u00f3n adecuada de la informaci\u00f3n de la versi\u00f3n antes de realizar una actualizaci\u00f3n. Un atacante puede aprovechar esto, junto con otras vulnerabilidades, para ejecutar c\u00f3digo arbitrario en el contexto de root. Era ZDI-CAN-26355."
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GHSA-WC9H-GMQM-V3V8

Vulnerability from github – Published: 2025-08-06 03:30 – Updated: 2025-08-06 03:30

Details

The specific flaw exists within the libSystemLib library. The issue results from the lack of proper validation of version information before performing an update. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-26355.

Severity ?

6.8 (Medium)


                  
                    CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Show details on source website

JSON

To clipboard

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  "affected": [],
  "aliases": [
    "CVE-2025-8656"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-693"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-08-06T02:15:54Z",
    "severity": "MODERATE"
  },
  "details": "Kenwood DMX958XR Protection Mechanism Failure Software Downgrade Vulnerability. This vulnerability allows physically present attackers to downgrade software on affected installations of Kenwood DMX958XR devices. Authentication is not required to exploit this vulnerability.\n\nThe specific flaw exists within the libSystemLib library. The issue results from the lack of proper validation of version information before performing an update. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-26355.",
  "id": "GHSA-wc9h-gmqm-v3v8",
  "modified": "2025-08-06T03:30:27Z",
  "published": "2025-08-06T03:30:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-8656"
    },
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      "type": "WEB",
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-25-804"
    }
  ],
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  "severity": [
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      "type": "CVSS_V3"
    }
  ]
}

CNVD-2025-20283

Vulnerability from cnvd - Published: 2025-09-05

Title

Kenwood DMX958XR存在未明漏洞

Description

Kenwood DMX958XR是Kenwood公司的一款车载信息娱乐系统。 Kenwood DMX958XR存在安全漏洞，攻击者可利用该漏洞导致软件降级。

Severity

高

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://www.kenwood.com/

Reference

https://www.zerodayinitiative.com/advisories/ZDI-25-804/

Impacted products

Name
Kenwood DMX958XR 1.0.0509.3100

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2025-8656",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2025-8656"
    }
  },
  "description": "Kenwood DMX958XR\u662fKenwood\u516c\u53f8\u7684\u4e00\u6b3e\u8f66\u8f7d\u4fe1\u606f\u5a31\u4e50\u7cfb\u7edf\u3002\n\nKenwood DMX958XR\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u8f6f\u4ef6\u964d\u7ea7\u3002",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://www.kenwood.com/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-20283",
  "openTime": "2025-09-05",
  "products": {
    "product": "Kenwood DMX958XR 1.0.0509.3100"
  },
  "referenceLink": "https://www.zerodayinitiative.com/advisories/ZDI-25-804/",
  "serverity": "\u9ad8",
  "submitTime": "2025-08-18",
  "title": "Kenwood DMX958XR\u5b58\u5728\u672a\u660e\u6f0f\u6d1e"
}

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

CVE-2025-8656 (GCVE-0-2025-8656)

FKIE_CVE-2025-8656

GHSA-WC9H-GMQM-V3V8

CNVD-2025-20283

Tags

Sightings

Nomenclature