Vulnerability-Lookup

CNVD-2026-20891

Vulnerability from cnvd - Published: 2026-05-20

Title

TRENDnet TEW-657BRM操作系统命令注入漏洞

Description

TRENDnet TEW-657BRM是美国趋势网络（TRENDnet）公司的一个WiFi路由器。 Trendnet TEW-657BRM存在操作系统命令注入漏洞，该漏洞源于对文件/setup.cgi中Edit函数参数pcdb_list的错误操作，攻击者可利用该漏洞导致操作系统命令注入。

Severity

中

Formal description

目前没有详细的解决方案提供: https://www.trendnet.com

Reference

https://nvd.nist.gov/vuln/detail/CVE-2026-5352

Impacted products

Name
TRENDnet TEW-657BRM 1.00.1

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2026-5352",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2026-5352"
    }
  },
  "description": "TRENDnet TEW-657BRM\u662f\u7f8e\u56fd\u8d8b\u52bf\u7f51\u7edc\uff08TRENDnet\uff09\u516c\u53f8\u7684\u4e00\u4e2aWiFi\u8def\u7531\u5668\u3002\n\nTrendnet TEW-657BRM\u5b58\u5728\u64cd\u4f5c\u7cfb\u7edf\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5bf9\u6587\u4ef6/setup.cgi\u4e2dEdit\u51fd\u6570\u53c2\u6570pcdb_list\u7684\u9519\u8bef\u64cd\u4f5c\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u64cd\u4f5c\u7cfb\u7edf\u547d\u4ee4\u6ce8\u5165\u3002",
  "formalWay": "\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u89e3\u51b3\u65b9\u6848\u63d0\u4f9b:\r\nhttps://www.trendnet.com",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2026-20891",
  "openTime": "2026-05-20",
  "products": {
    "product": "TRENDnet TEW-657BRM 1.00.1"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2026-5352",
  "serverity": "\u4e2d",
  "submitTime": "2026-04-07",
  "title": "TRENDnet TEW-657BRM\u64cd\u4f5c\u7cfb\u7edf\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e"
}

CVE-2026-5352 (GCVE-0-2026-5352)

Vulnerability from cvelistv5 – Published: 2026-04-02 16:00 – Updated: 2026-04-02 17:38 Unsupported When Assigned

Title

Trendnet TEW-657BRM setup.cgi edit os command injection

Summary

A security vulnerability has been detected in Trendnet TEW-657BRM 1.00.1. This impacts the function Edit of the file /setup.cgi. Such manipulation of the argument pcdb_list leads to os command injection. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. The vendor confirms, that "[t]he product in question (...) has been discontinued and end of life since June 23, 2011, that is more than 14 years ago. We no longer provide support for this product, so we are not able to confirm the vulnerabilities. We will make an announcement on our website's product support page and notify customers who registered their products with us." This vulnerability only affects products that are no longer supported by the maintainer.

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 2026-04-02 17:38 UTC

CWE

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

Assigner

VulDB mitre root

References

4 references

URL	Tags
https://vuldb.com/vuln/354705	vdb-entrytechnical-description
https://vuldb.com/vuln/354705/cti	signaturepermissions-required
https://vuldb.com/submit/781565	third-party-advisory
https://github.com/panda666-888/vuls/blob/main/tr…	exploit

Impacted products

1 product

Vendor	Product	Version
Trendnet	TEW-657BRM	Affected: 1.00.1 cpe:2.3:o:trendnet:tew-657brm_firmware::::::::

Credits

panda_0x1 (VulDB User) VulDB CNA Team

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-5352",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-04-02T17:38:27.769653Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
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          "dateUpdated": "2026-04-02T17:38:37.073Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:o:trendnet:tew-657brm_firmware:*:*:*:*:*:*:*:*"
          ],
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          "vendor": "Trendnet",
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            }
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        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "VulDB CNA Team"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A security vulnerability has been detected in Trendnet TEW-657BRM 1.00.1. This impacts the function Edit of the file /setup.cgi. Such manipulation of the argument pcdb_list leads to os command injection. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. The vendor confirms, that \"[t]he product in question (...) has been discontinued and end of life since June 23, 2011, that is more than 14 years ago. We no longer provide support for this product, so we are not able to confirm the vulnerabilities. We will make an announcement on our website\u0027s product support page and notify customers who registered their products with us.\" This vulnerability only affects products that are no longer supported by the maintainer."
        }
      ],
      "metrics": [
        {
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    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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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.