Vulnerability-Lookup

CNVD-2026-32927

Vulnerability from cnvd - Published: 2026-08-20

Title

TOTOLINK A7100RU操作系统命令注入漏洞（CNVD-2026-32927）

Description

TOTOLINK A7100RU是中国吉翁电子公司的一款无线路由器。 TOTOLINK A7100RU存在操作系统命令注入漏洞，该漏洞源于/cgi-bin/cstecgi.cgi文件内的setMiniuiHomeInfoShow函数，该函数对用户传入的lan_info参数缺乏严格的过滤和校验。攻击者可利用该漏洞通过向CGI接口发送特制的HTTP请求，在目标路由器上执行任意系统命令。

Severity

高

Formal description

目前厂商尚未发布升级程序修复该安全问题，详情见厂商官网： https://www.totolink.net/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2026-5995

Impacted products

Name
TOTOLINK A7100RU 7.4cu.2313_B20191024

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JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2026-5995",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2026-5995"
    }
  },
  "description": "TOTOLINK A7100RU\u662f\u4e2d\u56fd\u5409\u7fc1\u7535\u5b50\u516c\u53f8\u7684\u4e00\u6b3e\u65e0\u7ebf\u8def\u7531\u5668\u3002\n\nTOTOLINK A7100RU\u5b58\u5728\u64cd\u4f5c\u7cfb\u7edf\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e/cgi-bin/cstecgi.cgi\u6587\u4ef6\u5185\u7684setMiniuiHomeInfoShow\u51fd\u6570\uff0c\u8be5\u51fd\u6570\u5bf9\u7528\u6237\u4f20\u5165\u7684lan_info\u53c2\u6570\u7f3a\u4e4f\u4e25\u683c\u7684\u8fc7\u6ee4\u548c\u6821\u9a8c\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u5411CGI\u63a5\u53e3\u53d1\u9001\u7279\u5236\u7684HTTP\u8bf7\u6c42\uff0c\u5728\u76ee\u6807\u8def\u7531\u5668\u4e0a\u6267\u884c\u4efb\u610f\u7cfb\u7edf\u547d\u4ee4\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5c1a\u672a\u53d1\u5e03\u5347\u7ea7\u7a0b\u5e8f\u4fee\u590d\u8be5\u5b89\u5168\u95ee\u9898\uff0c\u8be6\u60c5\u89c1\u5382\u5546\u5b98\u7f51\uff1a\r\nhttps://www.totolink.net/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2026-32927",
  "openTime": "2026-08-20",
  "products": {
    "product": "TOTOLINK A7100RU 7.4cu.2313_B20191024"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2026-5995",
  "serverity": "\u9ad8",
  "submitTime": "2026-04-10",
  "title": "TOTOLINK A7100RU\u64cd\u4f5c\u7cfb\u7edf\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\uff08CNVD-2026-32927\uff09"
}

CVE-2026-5995 (GCVE-0-2026-5995)

Vulnerability from cvelistv5 – Published: 2026-04-10 00:45 – Updated: 2026-04-10 12:19

Title

Totolink A7100RU CGI cstecgi.cgi setMiniuiHomeInfoShow os command injection

Summary

A weakness has been identified in Totolink A7100RU 7.4cu.2313_b20191024. Impacted is the function setMiniuiHomeInfoShow of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument lan_info can lead to os command injection. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks.

Severity

9.3 (Critical)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

9.8 (Critical)


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

9.8 (Critical)


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

SSVC

Exploitation: poc Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-04-10 12:18 UTC

CWE

CWE-78 - OS Command Injection
CWE-77 - Command Injection

Assigner

VulDB mitre root

References

5 references

URL	Tags
https://vuldb.com/vuln/356549	vdb-entrytechnical-description
https://vuldb.com/vuln/356549/cti	signaturepermissions-required
https://vuldb.com/submit/792043	third-party-advisory
https://github.com/Litengzheng/vuldb_new/blob/mai…	exploit
https://www.totolink.net/	product

Impacted products

1 product

Vendor	Product	Version
Totolink	A7100RU	Affected: 7.4cu.2313_b20191024 cpe:2.3:o:totolink:a7100ru_firmware::::::::

Credits

LtzHust (VulDB User)

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-5995",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-04-10T12:18:51.590536Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-04-10T12:19:00.502Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:o:totolink:a7100ru_firmware:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "CGI Handler"
          ],
          "product": "A7100RU",
          "vendor": "Totolink",
          "versions": [
            {
              "status": "affected",
              "version": "7.4cu.2313_b20191024"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "LtzHust (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A weakness has been identified in Totolink A7100RU 7.4cu.2313_b20191024. Impacted is the function setMiniuiHomeInfoShow of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument lan_info can lead to os command injection. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 9.3,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R",
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            "version": "3.0"
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        },
        {
          "cvssV2_0": {
            "baseScore": 10,
            "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR",
            "version": "2.0"
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        }
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      "providerMetadata": {
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        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
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      },
      "references": [
        {
          "name": "VDB-356549 | Totolink A7100RU CGI cstecgi.cgi setMiniuiHomeInfoShow os command injection",
          "tags": [
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          ],
          "url": "https://vuldb.com/vuln/356549"
        },
        {
          "name": "VDB-356549 | CTI Indicators (IOB, IOC, TTP, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/356549/cti"
        },
        {
          "name": "Submit #792043 | Totolink A7100RU 7.4cu.2313_b20191024 Command Injection",
          "tags": [
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          ],
          "url": "https://vuldb.com/submit/792043"
        },
        {
          "tags": [
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          "url": "https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_167/README.md"
        },
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          "tags": [
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          "url": "https://www.totolink.net/"
        }
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          "lang": "en",
          "time": "2026-04-09T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-04-09T14:54:31.000Z",
          "value": "VulDB entry last update"
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      "title": "Totolink A7100RU CGI cstecgi.cgi setMiniuiHomeInfoShow os command injection"
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  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
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    "datePublished": "2026-04-10T00:45:13.953Z",
    "dateReserved": "2026-04-09T12:49:14.388Z",
    "dateUpdated": "2026-04-10T12:19:00.502Z",
    "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.

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.

Action not permitted

CNVD-2026-32927

CVE-2026-5995 (GCVE-0-2026-5995)

Tags

Sightings

Nomenclature