Vulnerability-Lookup

GHSA-289H-W85V-V5R6

Vulnerability from github – Published: 2026-09-28 15:31 – Updated: 2026-09-28 15:31

Details

mH-DEVELOPER smart home module is vulnerable to Denial of Service due to uncontrolled resource consumption. The Express bodyParser is configured with a 250 MB limit for JSON and URL-encoded request bodies. An authenticated attacker on the LAN can send large request bodies that exhausts buffers in RAM, causing out-of-memory conditions and crashing the fh-node process, resulting in denial of service. The successful attack depends on the current memory usage of the device which is not under full control of the attacker. Critically, due to CVE-2026-82930 all endpoints can be queried unauthenticated, so any user on LAN can perform this attack.

This issue was fixed in version 3.0.30

Severity

5.9 (Medium)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-82936"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-770"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-28T13:17:24Z",
    "severity": "MODERATE"
  },
  "details": "mH-DEVELOPER smart home module is vulnerable to Denial of Service due to uncontrolled resource consumption. The Express bodyParser is configured with a 250 MB limit for JSON and URL-encoded request bodies. An authenticated attacker on the LAN can send large request bodies that exhausts buffers in RAM, causing out-of-memory conditions and crashing the fh-node process, resulting in denial of service. The successful attack depends on the current memory usage of the device which is not under full control of the attacker. Critically, due to CVE-2026-82930 all endpoints can be queried unauthenticated, so any user on LAN can perform this attack.\n\n\nThis issue was fixed in version\u00a03.0.30",
  "id": "GHSA-289h-w85v-v5r6",
  "modified": "2026-09-28T15:31:52Z",
  "published": "2026-09-28T15:31:51Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-82936"
    },
    {
      "type": "WEB",
      "url": "https://cert.pl/posts/2026/09/CVE-2026-82928"
    },
    {
      "type": "WEB",
      "url": "https://www.fif.com.pl/pl/strona-glowna/1367-mh-developer.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/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-2026-82936 (GCVE-0-2026-82936)

Vulnerability from cvelistv5 – Published: 2026-09-28 12:12 – Updated: 2026-09-28 13:31

Title

Denial of Service in mH-DEVELOPER

Summary

Severity

5.9 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-28 13:03 UTC

CWE

CWE-770 - Allocation of Resources Without Limits or Throttling

Assigner

CERT-PL ENISA root

References

2 references

URL	Tags
https://cert.pl/posts/2026/09/CVE-2026-82928/	third-party-advisory
https://www.fif.com.pl/pl/strona-glowna/1367-mh-d…	product

Impacted products

1 product

Vendor	Product	Version
F&F Filipowski	mH-DEVELOPER	Affected: 0 , < 3.0.30 (semver) cpe:2.3:a:f_f_filipowski:mh-developer::::::::

Credits

Krzysztof Chudzik (CERT.PL)

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JSON

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  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-82936",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-28T13:03:25.250312Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-09-28T13:31:28.116Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "mH-DEVELOPER",
          "vendor": "F\u0026F Filipowski",
          "versions": [
            {
              "lessThan": "3.0.30",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
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                  "criteria": "cpe:2.3:a:f_f_filipowski:mh-developer:*:*:*:*:*:*:*:*",
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                }
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      "credits": [
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          "type": "finder",
          "value": "Krzysztof Chudzik (CERT.PL)"
        }
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      "descriptions": [
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    "state": "PUBLISHED"
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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.

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-289H-W85V-V5R6

CVE-2026-82936 (GCVE-0-2026-82936)

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