FKIE_CVE-2025-70998

Vulnerability from fkie_nvd - Published: 2026-02-18 16:22 - Updated: 2026-06-17 10:03
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 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
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      "nodes": [
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              "criteria": "cpe:2.3:o:utt:810_firmware:1.5.0-140603:*:*:*:*:*:*:*",
              "matchCriteriaId": "D7D8F8AB-8DD7-4A60-B199-D85DD3278AA1",
              "vulnerable": true
            }
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          "negate": false,
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          "negate": false,
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      "operator": "AND"
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  ],
  "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": "2026-06-17T10:03:31.167",
  "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"
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        "impactScore": 5.9,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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        "ssvcData": {
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          "options": [
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              "exploitation": "poc"
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            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
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          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-02-18T15:36:26.207959Z",
          "version": "2.0.3"
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  "published": "2026-02-18T16:22:29.453",
  "references": [
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      "tags": [
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  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
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      "type": "Secondary"
    }
  ]
}



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