Vulnerability-Lookup

GHSA-64M7-CFX3-HG77

Vulnerability from github – Published: 2026-01-26 00:30 – Updated: 2026-01-26 00:30

Details

A security vulnerability has been detected in Beetel 777VR1 up to 01.00.09/01.00.09_55. This issue affects some unknown processing of the component UART Interface. The manipulation leads to improper restriction of excessive authentication attempts. It is possible to launch the attack on the physical device. The attack's complexity is rated as high. The exploitability is assessed as difficult. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Severity

2.0 (Low)


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

0.3 (Low)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-1409"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-307"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-01-26T00:16:03Z",
    "severity": "LOW"
  },
  "details": "A security vulnerability has been detected in Beetel 777VR1 up to 01.00.09/01.00.09_55. This issue affects some unknown processing of the component UART Interface. The manipulation leads to improper restriction of excessive authentication attempts. It is possible to launch the attack on the physical device. The attack\u0027s complexity is rated as high. The exploitability is assessed as difficult. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.",
  "id": "GHSA-64m7-cfx3-hg77",
  "modified": "2026-01-26T00:30:28Z",
  "published": "2026-01-26T00:30:28Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-1409"
    },
    {
      "type": "WEB",
      "url": "https://gist.github.com/raghav20232023/19900b427445adf37f64ae953611bfce"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?ctiid.342798"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?id.342798"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?submit.739399"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:P/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/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-2026-1409 (GCVE-0-2026-1409)

Vulnerability from cvelistv5 – Published: 2026-01-25 23:32 – Updated: 2026-02-23 08:54

Title

Beetel 777VR1 UART excessive authentication

Summary

Severity

1 (Low)


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

2 (Low)


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

2 (Low)


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

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-01-26 17:29 UTC

CWE

CWE-307 - Improper Restriction of Excessive Authentication Attempts
CWE-799 - Improper Control of Interaction Frequency

Assigner

VulDB mitre root

References

4 references

URL	Tags
https://vuldb.com/?id.342798	vdb-entrytechnical-description
https://vuldb.com/?ctiid.342798	signaturepermissions-required
https://vuldb.com/?submit.739399	third-party-advisory
https://gist.github.com/raghav20232023/19900b4274…	exploit

Impacted products

1 product

Vendor	Product	Version
Beetel	777VR1	Affected: 01.00.09 Affected: 01.00.09_55

Credits

raghav_2026 (VulDB User)

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-1409",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-01-26T17:29:53.210725Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-01-26T17:29:59.180Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "modules": [
            "UART Interface"
          ],
          "product": "777VR1",
          "vendor": "Beetel",
          "versions": [
            {
              "status": "affected",
              "version": "01.00.09"
            },
            {
              "status": "affected",
              "version": "01.00.09_55"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "raghav_2026 (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A security vulnerability has been detected in Beetel 777VR1 up to 01.00.09/01.00.09_55. This issue affects some unknown processing of the component UART Interface. The manipulation leads to improper restriction of excessive authentication attempts. It is possible to launch the attack on the physical device. The attack\u0027s complexity is rated as high. The exploitability is assessed as difficult. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 1,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:4.0/AV:P/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 2,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 2,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 1.2,
            "vectorString": "AV:L/AC:H/Au:N/C:P/I:N/A:N/E:POC/RL:ND/RC:UR",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-307",
              "description": "Improper Restriction of Excessive Authentication Attempts",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-799",
              "description": "Improper Control of Interaction Frequency",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-23T08:54:25.875Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-342798 | Beetel 777VR1 UART excessive authentication",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/?id.342798"
        },
        {
          "name": "VDB-342798 | CTI Indicators (IOB, IOC, TTP)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.342798"
        },
        {
          "name": "Submit #739399 | Beetel Beetel 777VR1 Broadband Router Firmware Version: V01.00.09 / V01.00.09_55 CWE-307 Improper Restriction - Excessive Authentication Attempts",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/?submit.739399"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://gist.github.com/raghav20232023/19900b427445adf37f64ae953611bfce"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-01-25T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-01-25T01:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-01-31T07:44:08.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "Beetel 777VR1 UART excessive authentication"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-1409",
    "datePublished": "2026-01-25T23:32:06.715Z",
    "dateReserved": "2026-01-25T09:43:09.352Z",
    "dateUpdated": "2026-02-23T08:54:25.875Z",
    "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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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.

Action not permitted

GHSA-64M7-CFX3-HG77

CVE-2026-1409 (GCVE-0-2026-1409)

Tags

Sightings

Nomenclature

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