Vulnerability-Lookup

CNVD-2026-23796

Vulnerability from cnvd - Published: 2026-06-09

Title

Zyxel EX3510-B0 TR-369证书下载脚本命令注入漏洞

Description

Zyxel VMG3625-T50B是一款由友讯科技（Zyxel）生产的VDSL2/ADSL2+调制解调器路由器。 Zyxel VMG3625-T50B TR-369证书下载脚本存在命令注入漏洞，该漏洞源于不正确过滤输入参数，远程攻击者可利用该漏洞执行任意命令。

Severity

高

Patch Name

Zyxel EX3510-B0 TR-369证书下载脚本命令注入漏洞的补丁

Patch Description

Zyxel VMG3625-T50B是一款由友讯科技（Zyxel）生产的VDSL2/ADSL2+调制解调器路由器。 Zyxel VMG3625-T50B TR-369证书下载脚本存在命令注入漏洞，该漏洞源于不正确过滤输入参数，远程攻击者可利用该漏洞执行任意命令。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

目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载: https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-null-pointer-dereference-and-command-injection-vulnerabilities-in-certain-4g-lte-5g-nr-cpe-dsl-ethernet-cpe-fiber-onts-security-routers-and-wireless-extenders-02-24-2026

Reference

https://nvd.nist.gov/vuln/detail/CVE-2026-1459

Impacted products

Name
ZyXEL vmg3625-t50b <=5.50(ABPM.9.7)C0

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2026-1459",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2026-1459"
    }
  },
  "description": "Zyxel VMG3625-T50B\u662f\u4e00\u6b3e\u7531\u53cb\u8baf\u79d1\u6280\uff08Zyxel\uff09\u751f\u4ea7\u7684VDSL2/ADSL2+\u8c03\u5236\u89e3\u8c03\u5668\u8def\u7531\u5668\u3002\n\nZyxel VMG3625-T50B TR-369\u8bc1\u4e66\u4e0b\u8f7d\u811a\u672c\u5b58\u5728\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4e0d\u6b63\u786e\u8fc7\u6ee4\u8f93\u5165\u53c2\u6570\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u4efb\u610f\u547d\u4ee4\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u8fd9\u4e2a\u5b89\u5168\u95ee\u9898\uff0c\u8bf7\u5230\u5382\u5546\u7684\u4e3b\u9875\u4e0b\u8f7d:\r\nhttps://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-null-pointer-dereference-and-command-injection-vulnerabilities-in-certain-4g-lte-5g-nr-cpe-dsl-ethernet-cpe-fiber-onts-security-routers-and-wireless-extenders-02-24-2026",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2026-23796",
  "openTime": "2026-06-09",
  "patchDescription": "Zyxel VMG3625-T50B\u662f\u4e00\u6b3e\u7531\u53cb\u8baf\u79d1\u6280\uff08Zyxel\uff09\u751f\u4ea7\u7684VDSL2/ADSL2+\u8c03\u5236\u89e3\u8c03\u5668\u8def\u7531\u5668\u3002\r\n\r\nZyxel VMG3625-T50B TR-369\u8bc1\u4e66\u4e0b\u8f7d\u811a\u672c\u5b58\u5728\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4e0d\u6b63\u786e\u8fc7\u6ee4\u8f93\u5165\u53c2\u6570\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u4efb\u610f\u547d\u4ee4\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 EX3510-B0 TR-369\u8bc1\u4e66\u4e0b\u8f7d\u811a\u672c\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "ZyXEL vmg3625-t50b \u003c=5.50(ABPM.9.7)C0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2026-1459",
  "serverity": "\u9ad8",
  "submitTime": "2026-03-02",
  "title": "Zyxel EX3510-B0 TR-369\u8bc1\u4e66\u4e0b\u8f7d\u811a\u672c\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e"
}

CVE-2026-1459 (GCVE-0-2026-1459)

Vulnerability from cvelistv5 – Published: 2026-02-24 02:48 – Updated: 2026-02-26 14:44

Summary

A post-authentication command injection vulnerability in the TR-369 certificate download CGI program of the Zyxel VMG3625-T50B firmware versions through 5.50(ABPM.9.7)C0 could allow an authenticated attacker with administrator privileges to execute operating system (OS) commands on an affected device.

Severity

7.2 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-02-25 04:55 UTC

CWE

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

Assigner

Zyxel mitre root

References

1 reference

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

Impacted products

1 product

Vendor	Product	Version
Zyxel	VMG3625-T50B firmware	Affected: <= 5.50(ABPM.9.7)C0

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-1459",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-02-25T04:55:35.642079Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-02-26T14:44:10.011Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "VMG3625-T50B firmware",
          "vendor": "Zyxel",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c= 5.50(ABPM.9.7)C0"
            }
          ]
        }
      ],
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              "type": "text/html",
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            }
          ],
          "value": "A post-authentication command injection vulnerability in the TR-369 certificate download CGI program of the Zyxel\u00a0VMG3625-T50B firmware versions through\u00a05.50(ABPM.9.7)C0 could allow an authenticated attacker with administrator privileges to execute operating system (OS) commands on an affected device."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
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              "lang": "en",
              "type": "CWE"
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      "providerMetadata": {
        "dateUpdated": "2026-02-24T02:48:35.439Z",
        "orgId": "96e50032-ad0d-4058-a115-4d2c13821f9f",
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    "assignerShortName": "Zyxel",
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    "datePublished": "2026-02-24T02:48:35.439Z",
    "dateReserved": "2026-01-27T01:26:24.186Z",
    "dateUpdated": "2026-02-26T14:44:10.011Z",
    "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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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Action not permitted

CNVD-2026-23796

CVE-2026-1459 (GCVE-0-2026-1459)

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