Vulnerability-Lookup

CNVD-2026-25141

Vulnerability from cnvd - Published: 2026-06-24

Title

Zyxel DX3300-T0操作系统命令注入漏洞

Description

Zyxel DX3300-T0是中国合勤（Zyxel）公司的一个小型无线WiFi路由器。 Zyxel DX3300-T0存在操作系统命令注入漏洞，该漏洞源于priv参数存在认证后命令注入，攻击者可利用该漏洞导致操作系统命令执行。

Severity

高

Patch Name

Zyxel DX3300-T0操作系统命令注入漏洞的补丁

Patch Description

Zyxel DX3300-T0是中国合勤（Zyxel）公司的一个小型无线WiFi路由器。 Zyxel DX3300-T0存在操作系统命令注入漏洞，该漏洞源于priv参数存在认证后命令注入，攻击者可利用该漏洞导致操作系统命令执行。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

厂商已提供漏洞修复程序，请及时关注厂商更新： https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-uncontrolled-resource-consumption-and-command-injection-vulnerabilities-in-certain-4g-lte-5g-nr-cpe-dsl-ethernet-cpe-fiber-onts-security-routers-and-wireless-extenders-11-18-2025

Reference

https://nvd.nist.gov/vuln/detail/CVE-2025-8693

Impacted products

Name
ZyXEL dx3300-t0 <=5.50(ABVY.6.3)C0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2025-8693"
    }
  },
  "description": "Zyxel DX3300-T0\u662f\u4e2d\u56fd\u5408\u52e4\uff08Zyxel\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u5c0f\u578b\u65e0\u7ebfWiFi\u8def\u7531\u5668\u3002\n\nZyxel DX3300-T0\u5b58\u5728\u64cd\u4f5c\u7cfb\u7edf\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8epriv\u53c2\u6570\u5b58\u5728\u8ba4\u8bc1\u540e\u547d\u4ee4\u6ce8\u5165\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u64cd\u4f5c\u7cfb\u7edf\u547d\u4ee4\u6267\u884c\u3002",
  "formalWay": "\u5382\u5546\u5df2\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u5382\u5546\u66f4\u65b0\uff1a\r\nhttps://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-uncontrolled-resource-consumption-and-command-injection-vulnerabilities-in-certain-4g-lte-5g-nr-cpe-dsl-ethernet-cpe-fiber-onts-security-routers-and-wireless-extenders-11-18-2025",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2026-25141",
  "openTime": "2026-06-24",
  "patchDescription": "Zyxel DX3300-T0\u662f\u4e2d\u56fd\u5408\u52e4\uff08Zyxel\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u5c0f\u578b\u65e0\u7ebfWiFi\u8def\u7531\u5668\u3002\r\n\r\nZyxel DX3300-T0\u5b58\u5728\u64cd\u4f5c\u7cfb\u7edf\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8epriv\u53c2\u6570\u5b58\u5728\u8ba4\u8bc1\u540e\u547d\u4ee4\u6ce8\u5165\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u64cd\u4f5c\u7cfb\u7edf\u547d\u4ee4\u6267\u884c\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Zyxel DX3300-T0\u64cd\u4f5c\u7cfb\u7edf\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "ZyXEL dx3300-t0 \u003c=5.50(ABVY.6.3)C0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2025-8693",
  "serverity": "\u9ad8",
  "submitTime": "2025-11-20",
  "title": "Zyxel DX3300-T0\u64cd\u4f5c\u7cfb\u7edf\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e"
}

CVE-2025-8693 (GCVE-0-2025-8693)

Vulnerability from cvelistv5 – Published: 2025-11-18 01:25 – Updated: 2026-02-26 16:56

Summary

A post-authentication command injection vulnerability in the "priv" parameter of Zyxel DX3300-T0 firmware version 5.50(ABVY.6.3)C0 and earlier could allow an authenticated attacker to execute operating system (OS) commands on an affected device.

Severity

8.8 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Assigner

Zyxel

References

1 reference

URL	Tags
https://www.zyxel.com/global/en/support/security-…	vendor-advisory

Impacted products

1 product

Vendor	Product	Version
Zyxel	DX3300-T0 firmware	Affected: <= 5.50(ABVY.6.3)C0

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-8693",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-11-19T04:55:24.895076Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-02-26T16:56:47.780Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "DX3300-T0 firmware",
          "vendor": "Zyxel",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c= 5.50(ABVY.6.3)C0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "A post-authentication command injection vulnerability in the \"priv\" parameter of Zyxel DX3300-T0 firmware version 5.50(ABVY.6.3)C0 and earlier could allow an authenticated attacker to execute operating system (OS) commands on an affected device.\u003cbr\u003e"
            }
          ],
          "value": "A post-authentication command injection vulnerability in the \"priv\" parameter of Zyxel DX3300-T0 firmware version 5.50(ABVY.6.3)C0 and earlier could allow an authenticated attacker to execute operating system (OS) commands on an affected device."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-78",
              "description": "CWE-78 Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-11-18T01:25:05.406Z",
        "orgId": "96e50032-ad0d-4058-a115-4d2c13821f9f",
        "shortName": "Zyxel"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-uncontrolled-resource-consumption-and-command-injection-vulnerabilities-in-certain-4g-lte-5g-nr-cpe-dsl-ethernet-cpe-fiber-onts-security-routers-and-wireless-extenders-11-18-2025"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "x_generator": {
        "engine": "Vulnogram 0.5.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "96e50032-ad0d-4058-a115-4d2c13821f9f",
    "assignerShortName": "Zyxel",
    "cveId": "CVE-2025-8693",
    "datePublished": "2025-11-18T01:25:05.406Z",
    "dateReserved": "2025-08-07T01:28:52.928Z",
    "dateUpdated": "2026-02-26T16:56:47.780Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

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

CNVD-2026-25141

CVE-2025-8693 (GCVE-0-2025-8693)

Tags

Sightings

Nomenclature