Vulnerability-Lookup

CNVD-2022-08928

Vulnerability from cnvd - Published: 2022-02-09

Title

Fiberhome FiberHome ONU GPON操作系统命令注入漏洞

Description

Fiberhome FiberHome ONU GPON是中国烽火（Fiberhome）公司的一款路由器。 FiberHome ONU GPON AN5506-04-F RP2617 存在操作系统命令注入漏洞，该漏洞源于 FiberHome ONU GPON AN5506-04-F RP2617 受操作系统命令注入漏洞影响。该漏洞允许攻击者在登录后以 root 用户身份通过 ping 诊断工具向操作系统发送命令，绕过 IP 地址字段，并使用分号连接操作系统命令。

Severity

高

Formal description

目前厂商暂未发布修复措施解决此安全问题，建议使用此软件的用户随时关注厂商主页或参考网址以获取解决办法： https://medium.com/@windsormoreira/fiberhome-an5506-os-command-injection-cve-2021-42912-10b64fd10ce2

Impacted products

Name
Fiberhome FiberHome ONU GPON AN5506-04-F RP2617

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-42912"
    }
  },
  "description": "Fiberhome FiberHome ONU GPON\u662f\u4e2d\u56fd\u70fd\u706b\uff08Fiberhome\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u8def\u7531\u5668\u3002\n\nFiberHome ONU GPON AN5506-04-F RP2617 \u5b58\u5728\u64cd\u4f5c\u7cfb\u7edf\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e FiberHome ONU GPON AN5506-04-F RP2617 \u53d7\u64cd\u4f5c\u7cfb\u7edf\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\u5f71\u54cd\u3002 \u8be5\u6f0f\u6d1e\u5141\u8bb8\u653b\u51fb\u8005\u5728\u767b\u5f55\u540e\u4ee5 root \u7528\u6237\u8eab\u4efd\u901a\u8fc7 ping \u8bca\u65ad\u5de5\u5177\u5411\u64cd\u4f5c\u7cfb\u7edf\u53d1\u9001\u547d\u4ee4\uff0c\u7ed5\u8fc7 IP \u5730\u5740\u5b57\u6bb5\uff0c\u5e76\u4f7f\u7528\u5206\u53f7\u8fde\u63a5\u64cd\u4f5c\u7cfb\u7edf\u547d\u4ee4\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u6682\u672a\u53d1\u5e03\u4fee\u590d\u63aa\u65bd\u89e3\u51b3\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u5efa\u8bae\u4f7f\u7528\u6b64\u8f6f\u4ef6\u7684\u7528\u6237\u968f\u65f6\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u6216\u53c2\u8003\u7f51\u5740\u4ee5\u83b7\u53d6\u89e3\u51b3\u529e\u6cd5\uff1a\r\nhttps://medium.com/@windsormoreira/fiberhome-an5506-os-command-injection-cve-2021-42912-10b64fd10ce2",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-08928",
  "openTime": "2022-02-09",
  "products": {
    "product": "Fiberhome FiberHome ONU GPON AN5506-04-F RP2617"
  },
  "serverity": "\u9ad8",
  "submitTime": "2021-12-17",
  "title": "Fiberhome FiberHome ONU GPON\u64cd\u4f5c\u7cfb\u7edf\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e"
}

CVE-2021-42912 (GCVE-0-2021-42912)

Vulnerability from cvelistv5 – Published: 2021-12-16 16:54 – Updated: 2026-07-09 00:15

Summary

FiberHome ONU GPON AN5506-04-F RP2617 is affected by an OS command injection vulnerability. This vulnerability allows the attacker, once logged in, to send commands to the operating system as the root user via the ping diagnostic tool, bypassing the IP address field, and concatenating OS commands with a semicolon.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

2 references

URL	Tags
https://medium.com/@windsormoreira/fiberhome-an55…
https://medium.com/%40windsormoreira/fiberhome-an…	x_refsource_MISCx_transferred

Show details on NVD website

JSON

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          "dateUpdated": "2026-07-09T00:15:30.946Z",
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        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://medium.com/%40windsormoreira/fiberhome-an5506-os-command-injection-cve-2021-42912-10b64fd10ce2"
          }
        ],
        "title": "CVE Program Container"
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    ],
    "cna": {
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      ],
      "descriptions": [
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        }
      ],
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        "dateUpdated": "2026-07-05T15:43:56.467Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
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        }
      ],
      "x_legacyV4Record": {
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          "ID": "CVE-2021-42912",
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        },
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                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
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        "references": {
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              "refsource": "MISC",
              "url": "http://fiberhome.com"
            },
            {
              "name": "http://onu.com",
              "refsource": "MISC",
              "url": "http://onu.com"
            },
            {
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  "cveMetadata": {
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    "datePublished": "2021-12-16T16:54:08.000Z",
    "dateReserved": "2021-10-25T00:00:00.000Z",
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}

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.

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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.