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CVE-2021-42890

Estado: ModificadaCrítica (9.8)—

TOTOLINK EX1200T V4.1.2cu.5215 contains a remote command injection vulnerability in function NTPSyncWithHost of the file system.so which can control hostTime to attack.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Totolink — Ex1200t Firmware

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2021-42890",
  "cveTags": [],
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        "source": "nvd@nist.gov",
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          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
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          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
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  "affected": [
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      "affectedData": [
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          "versions": [
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              "status": "affected",
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  "published": "2022-06-03T15:15:08.193",
  "references": [
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      "url": "https://github.com/p1Kk/vuln/blob/main/totolink_ex1200t_hosttime_rce.md",
      "tags": [
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        "Third Party Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
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      "description": [
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          "lang": "en",
          "value": "CWE-78"
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  "descriptions": [
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      "lang": "en",
      "value": "TOTOLINK EX1200T V4.1.2cu.5215 contains a remote command injection vulnerability in function NTPSyncWithHost of the file system.so which can control hostTime to attack."
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      "value": "En TOTOLINK EX1200T versión V4.1.2cu.5215, contiene una vulnerabilidad de inyección de comando remoto en la función NTPSyncWithHost del sistema de archivos.so que puede controlar el hostTime para atacar"
    }
  ],
  "lastModified": "2026-06-17T04:10:15.290",
  "configurations": [
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