Vulnerability-Lookup

GHSA-R87C-JRW7-V29R

Vulnerability from github – Published: 2026-07-12 06:31 – Updated: 2026-07-12 06:31

Details

A vulnerability was identified in Trendnet TEW-635BRM up to 1.00.03. This affects the function start_httpd of the file /sbin/rc of the component Web Service. Such manipulation of the argument device_name leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used. The vendor explains: "We are unable to confirm if the vulnerability exists. This item has been EOL since 2011. We will make an official announcement of possible vulnerabilities, and recommend users to switch devices." This vulnerability only affects products that are no longer supported by the maintainer.

Severity

8.8 (High)


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

7.4 (High)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-15480"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-119"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-12T06:16:42Z",
    "severity": "HIGH"
  },
  "details": "A vulnerability was identified in Trendnet TEW-635BRM up to 1.00.03. This affects the function start_httpd of the file /sbin/rc of the component Web Service. Such manipulation of the argument device_name leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used. The vendor explains: \"We are unable to confirm if the vulnerability exists. This item has been EOL since 2011. We will make an official announcement of possible vulnerabilities, and recommend users to switch devices.\" This vulnerability only affects products that are no longer supported by the maintainer.",
  "id": "GHSA-r87c-jrw7-v29r",
  "modified": "2026-07-12T06:31:11Z",
  "published": "2026-07-12T06:31:11Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-15480"
    },
    {
      "type": "WEB",
      "url": "https://github.com/glkfc/IoT-Vulnerability/blob/main/TRENDnet/TRENDnet_TEW635BRM_device_name_BOF_EN.md"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/cve/CVE-2026-15480"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/submit/838236"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/377787"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/377787/cti"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2026-15480 (GCVE-0-2026-15480)

Vulnerability from cvelistv5 – Published: 2026-07-12 05:30 – Updated: 2026-07-13 18:12 Unsupported When Assigned

Title

Trendnet TEW-635BRM Web Service rc start_httpd stack-based overflow

Summary

Severity

8.7 (High)


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

8.8 (High)


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

8.8 (High)


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

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-13 18:06 UTC

CWE

CWE-121 - Stack-based Buffer Overflow
CWE-119 - Memory Corruption

Assigner

VulDB mitre root Scorecard

References

5 references

URL	Tags
https://vuldb.com/vuln/377787	vdb-entrytechnical-description
https://vuldb.com/vuln/377787/cti	signaturepermissions-required
https://vuldb.com/cve/CVE-2026-15480	third-party-advisory
https://vuldb.com/submit/838236	third-party-advisory
https://github.com/glkfc/IoT-Vulnerability/blob/m…	exploit

Impacted products

1 product

Vendor	Product	Version
Trendnet	TEW-635BRM	Affected: 1.00.03 cpe:2.3:a:trendnet:tew-635brm::::::::

Credits

jfkk (VulDB User) VulDB CNA Team

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-15480",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-07-13T18:06:22.080756Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-07-13T18:12:41.393Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:trendnet:tew-635brm:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "Web Service"
          ],
          "product": "TEW-635BRM",
          "vendor": "Trendnet",
          "versions": [
            {
              "status": "affected",
              "version": "1.00.03"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "jfkk (VulDB User)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "VulDB CNA Team"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was identified in Trendnet TEW-635BRM up to 1.00.03. This affects the function start_httpd of the file /sbin/rc of the component Web Service. Such manipulation of the argument device_name leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used. The vendor explains: \"We are unable to confirm if the vulnerability exists. This item has been EOL since 2011. We will make an official announcement of possible vulnerabilities, and recommend users to switch devices.\" This vulnerability only affects products that are no longer supported by the maintainer."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 9,
            "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR",
            "version": "2.0"
          }
        }
      ],
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          "descriptions": [
            {
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        {
          "descriptions": [
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              "lang": "en",
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            }
          ]
        }
      ],
      "providerMetadata": {
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        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
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          "tags": [
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          "url": "https://vuldb.com/vuln/377787"
        },
        {
          "name": "VDB-377787 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/377787/cti"
        },
        {
          "name": "CVE-2026-15480 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/cve/CVE-2026-15480"
        },
        {
          "name": "Submit #838236 | TRENDnet TEW-635BRM V1.00.03 Stack-based Buffer Overflow",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/838236"
        },
        {
          "tags": [
            "exploit"
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          "url": "https://github.com/glkfc/IoT-Vulnerability/blob/main/TRENDnet/TRENDnet_TEW635BRM_device_name_BOF_EN.md"
        }
      ],
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          "time": "2026-07-11T02:00:00.000Z",
          "value": "VulDB entry created"
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          "time": "2026-07-11T12:07:37.000Z",
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      "title": "Trendnet TEW-635BRM Web Service rc start_httpd stack-based overflow"
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    "datePublished": "2026-07-12T05:30:08.401Z",
    "dateReserved": "2026-07-11T10:02:29.486Z",
    "dateUpdated": "2026-07-13T18:12:41.393Z",
    "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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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GHSA-R87C-JRW7-V29R

CVE-2026-15480 (GCVE-0-2026-15480)

Tags

Sightings

Nomenclature

Related by attack behaviour