FKIE_CVE-2025-70998

Vulnerability from fkie_nvd - Published: 2026-02-18 16:22 - Updated: 2026-02-19 18:47
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
UTT HiPER 810 / nv810v4 router firmware v1.5.0-140603 was discovered to contain insecure default credentials for the telnet service, possibly allowing a remote attacker to gain root access via a crafted script.
References
cve@mitre.orghttps://github.com/cha0yang1/UTT-nv810v4-telnet-backdoorExploit, Third Party Advisory
Impacted products
Vendor Product Version
utt 810_firmware 1.5.0-140603
utt 810 4.0
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:utt:810_firmware:1.5.0-140603:*:*:*:*:*:*:*",
              "matchCriteriaId": "D7D8F8AB-8DD7-4A60-B199-D85DD3278AA1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:utt:810:4.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "8EB059D5-5874-4759-B322-7066F6ACCD37",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "UTT HiPER 810 / nv810v4 router firmware v1.5.0-140603 was discovered to contain insecure default credentials for the telnet service, possibly allowing a remote attacker to gain root access via a crafted script."
    },
    {
      "lang": "es",
      "value": "Se descubri\u00f3 que el firmware v1.5.0-140603 del router UTT HiPER 810 / nv810v4 conten\u00eda credenciales predeterminadas inseguras para el servicio telnet, lo que posiblemente permit\u00eda a un atacante remoto obtener acceso de root mediante un script manipulado."
    }
  ],
  "id": "CVE-2025-70998",
  "lastModified": "2026-02-19T18:47:14.493",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-02-18T16:22:29.453",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://github.com/cha0yang1/UTT-nv810v4-telnet-backdoor"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-1188"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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