Vulnerability-Lookup

GHSA-PQ5M-HXX2-XHW5

Vulnerability from github – Published: 2026-05-07 18:30 – Updated: 2026-05-09 00:31

Details

A hidden, persistent backdoor was found in Yarbo firmware v2.3.9 that provides remote, unauthenticated (or weakly authenticated) access to privileged functionality. The backdoor is undocumented, cannot be disabled via user-facing settings, and survives factory reset and ordinary firmware updates.

Severity ?

7.2 (High)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-7413"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-912"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-07T17:15:59Z",
    "severity": "HIGH"
  },
  "details": "A hidden, persistent backdoor was found in Yarbo firmware v2.3.9 that provides remote, unauthenticated (or weakly authenticated) access to privileged functionality. The backdoor is undocumented, cannot be disabled via user-facing settings, and survives factory reset and ordinary firmware updates.",
  "id": "GHSA-pq5m-hxx2-xhw5",
  "modified": "2026-05-09T00:31:52Z",
  "published": "2026-05-07T18:30:40Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-7413"
    },
    {
      "type": "WEB",
      "url": "https://github.com/Bin4ry/yarbo-nat-in-my-back-yard"
    },
    {
      "type": "WEB",
      "url": "https://takeonme.org/cves/cve-2026-7413"
    },
    {
      "type": "WEB",
      "url": "https://takeonme.org/gcves/GCVE-1337-2026-00000000000000000000000000000000000000000000000000111111111111111111111110000000000000000000000000000000000000000000000000000000111"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-7413 (GCVE-0-2026-7413)

Vulnerability from cvelistv5 – Published: 2026-05-07 16:09 – Updated: 2026-05-08 22:46

Title

Persistent undocumented backdoor access in Yarbo robot

Summary

Severity ?

7.2 (High)


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

CWE

CWE-912 - Hidden Functionality

Assigner

AHA

References

URL

Tags

	https://github.com/Bin4ry/yarbo-nat-in-my-back-yard	third-party-advisory
	https://takeonme.org/gcves/GCVE-1337-2026-0000000…	third-party-advisory

Impacted products

	Vendor	Product	Version
	Yarbo	Firmware	Affected: 0 , ≤ 2.3.9 (semver)

Date Public ?

2026-05-07 16:00

Credits

Andreas Makris (aka Bin4ry) todb of AHA!

Show details on NVD website

JSON

To clipboard

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  "containers": {
    "adp": [
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        "metrics": [
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            "other": {
              "content": {
                "id": "CVE-2026-7413",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-08T22:45:36.456789Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-08T22:46:29.192Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://takeonme.org/cves/cve-2026-7413/"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Firmware",
          "vendor": "Yarbo",
          "versions": [
            {
              "lessThanOrEqual": "2.3.9",
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              "version": "0",
              "versionType": "semver"
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          "type": "finder",
          "value": "Andreas Makris (aka Bin4ry)"
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          "type": "coordinator",
          "value": "todb of AHA!"
        }
      ],
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      "metrics": [
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          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
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      "problemTypes": [
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        }
      ],
      "source": {
        "discovery": "EXTERNAL"
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      "title": "Persistent undocumented backdoor access in Yarbo robot",
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  "cveMetadata": {
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    "assignerShortName": "AHA",
    "cveId": "CVE-2026-7413",
    "datePublished": "2026-05-07T16:09:26.134Z",
    "dateReserved": "2026-04-29T13:37:07.749Z",
    "dateUpdated": "2026-05-08T22:46:29.192Z",
    "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.

Action not permitted

GHSA-PQ5M-HXX2-XHW5

CVE-2026-7413 (GCVE-0-2026-7413)

Tags

Sightings

Nomenclature