Vulnerability-Lookup

CNVD-2026-32381

Vulnerability from cnvd - Published: 2026-08-17

Title

TOTOLINK CA750-PoE setNetworkDiag函数操作系统命令注入漏洞

Description

TOTOLINK CA750-PoE是TOTOLINK品牌的一款‌双频吸顶式无线接入点（AP）‌，支持‌IEEE802.3af/atPoE供电‌，最大无线速率‌750Mbps‌，专为酒店、商场等场景的无线覆盖设计。 TOTOLINK CA750-PoE存在操作系统命令注入漏洞，该漏洞源于/cgi-bin/cstecgi.cgi文件中setNetworkDiag函数未能正确处理NetDiagHost等参数，攻击者可利用该漏洞通过传递构造的参数远程执行任意系统命令。

Severity

中

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://vuldb.com/vuln/365514

Impacted products

Name
TOTOLINK CA750-PoE 6.2c.510

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2026-9514",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2026-9514"
    }
  },
  "description": "TOTOLINK CA750-PoE\u662fTOTOLINK\u54c1\u724c\u7684\u4e00\u6b3e\u200c\u53cc\u9891\u5438\u9876\u5f0f\u65e0\u7ebf\u63a5\u5165\u70b9\uff08AP\uff09\u200c\uff0c\u652f\u6301\u200cIEEE802.3af/atPoE\u4f9b\u7535\u200c\uff0c\u6700\u5927\u65e0\u7ebf\u901f\u7387\u200c750Mbps\u200c\uff0c\u4e13\u4e3a\u9152\u5e97\u3001\u5546\u573a\u7b49\u573a\u666f\u7684\u65e0\u7ebf\u8986\u76d6\u8bbe\u8ba1\u3002\n\nTOTOLINK CA750-PoE\u5b58\u5728\u64cd\u4f5c\u7cfb\u7edf\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e/cgi-bin/cstecgi.cgi\u6587\u4ef6\u4e2dsetNetworkDiag\u51fd\u6570\u672a\u80fd\u6b63\u786e\u5904\u7406NetDiagHost\u7b49\u53c2\u6570\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u4f20\u9012\u6784\u9020\u7684\u53c2\u6570\u8fdc\u7a0b\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-2026-32381",
  "openTime": "2026-08-17",
  "products": {
    "product": "TOTOLINK CA750-PoE 6.2c.510"
  },
  "referenceLink": "https://vuldb.com/vuln/365514",
  "serverity": "\u4e2d",
  "submitTime": "2026-05-26",
  "title": "TOTOLINK CA750-PoE setNetworkDiag\u51fd\u6570\u64cd\u4f5c\u7cfb\u7edf\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e"
}

CVE-2026-9514 (GCVE-0-2026-9514)

Vulnerability from cvelistv5 – Published: 2026-05-25 22:45 – Updated: 2026-05-26 12:34

Title

Totolink CA750-PoE Setting cstecgi.cgi setNetworkDiag os command injection

Summary

A security vulnerability has been detected in Totolink CA750-PoE 6.2c.510. Impacted is the function setNetworkDiag of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. The manipulation of the argument NetDiagHost/NetDiagPingNum/NetDiagPingSize/NetDiagPingTimeOut/NetDiagTracertHop is directly passed by the attacker/so we can control the NetDiagHost/NetDiagPingNum/NetDiagPingSize/NetDiagPingTimeOut/NetDiagTracertHop leads to os command injection. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used.

Severity

5.3 (Medium)


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

6.3 (Medium)


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

6.3 (Medium)


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

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-26 12:34 UTC

CWE

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

Assigner

VulDB mitre root

References

5 references

URL	Tags
https://vuldb.com/vuln/365514	vdb-entrytechnical-description
https://vuldb.com/vuln/365514/cti	signaturepermissions-required
https://vuldb.com/submit/813926	third-party-advisory
https://github.com/wudipjq/my_vuln/blob/main/toto…	exploit
https://www.totolink.net/	product

Impacted products

1 product

Vendor	Product	Version
Totolink	CA750-PoE	Affected: 6.2c.510 cpe:2.3:a:totolink:ca750-poe::::::::

Credits

Buoy_yes (VulDB User)

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-9514",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-26T12:34:33.434975Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-26T12:34:49.714Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:totolink:ca750-poe:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "Setting Handler"
          ],
          "product": "CA750-PoE",
          "vendor": "Totolink",
          "versions": [
            {
              "status": "affected",
              "version": "6.2c.510"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "Buoy_yes (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A security vulnerability has been detected in Totolink CA750-PoE 6.2c.510. Impacted is the function setNetworkDiag of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. The manipulation of the argument NetDiagHost/NetDiagPingNum/NetDiagPingSize/NetDiagPingTimeOut/NetDiagTracertHop is directly passed by the attacker/so we can control the NetDiagHost/NetDiagPingNum/NetDiagPingSize/NetDiagPingTimeOut/NetDiagTracertHop leads to os command injection. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 6.5,
            "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR",
            "version": "2.0"
          }
        }
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      "problemTypes": [
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          "descriptions": [
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              "cweId": "CWE-78",
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        {
          "descriptions": [
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              "cweId": "CWE-77",
              "description": "Command Injection",
              "lang": "en",
              "type": "CWE"
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      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-25T22:45:09.294Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-365514 | Totolink CA750-PoE Setting cstecgi.cgi setNetworkDiag os command injection",
          "tags": [
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            "technical-description"
          ],
          "url": "https://vuldb.com/vuln/365514"
        },
        {
          "name": "VDB-365514 | CTI Indicators (IOB, IOC, TTP, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/365514/cti"
        },
        {
          "name": "Submit #813926 | TOTOLink CA750-PoE V6.2c.510 Command Injection",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/813926"
        },
        {
          "tags": [
            "exploit"
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          "url": "https://github.com/wudipjq/my_vuln/blob/main/totolink4/vuln_52/52.md"
        },
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          "tags": [
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          "url": "https://www.totolink.net/"
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          "time": "2026-05-25T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-05-25T02:00:00.000Z",
          "value": "VulDB entry created"
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          "lang": "en",
          "time": "2026-05-25T17:14:09.000Z",
          "value": "VulDB entry last update"
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      "title": "Totolink CA750-PoE Setting cstecgi.cgi setNetworkDiag os command injection"
    }
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  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-9514",
    "datePublished": "2026-05-25T22:45:09.294Z",
    "dateReserved": "2026-05-25T15:08:52.477Z",
    "dateUpdated": "2026-05-26T12:34:49.714Z",
    "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-2026-32381

CVE-2026-9514 (GCVE-0-2026-9514)

Tags

Sightings

Nomenclature