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CVE-2026-5689

Status: DeferredMedium (5.5)—

A vulnerability was detected in Totolink A7100RU 7.4cu.2313_b20191024. The affected element is the function setNtpCfg of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of the argument tz results in os command injection. Remote exploitation of the attack is possible. The exploit is now public and may be used.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

Totolink — A7100ruAI

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2026-5689",
  "cveTags": [],
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    "cvssMetricV31": [
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          "Recovery": "NOT_DEFINED",
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          "valueDensity": "NOT_DEFINED",
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  "affected": [
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      "affectedData": [
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            "cpe:2.3:o:totolink:a7100ru_firmware:*:*:*:*:*:*:*:*"
          ],
          "vendor": "Totolink",
          "product": "A7100RU",
          "versions": [
            {
              "status": "affected",
              "version": "7.4cu.2313_b20191024"
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  ],
  "published": "2026-04-06T23:16:30.683",
  "references": [
    {
      "url": "https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_187/README.md",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/submit/792946",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/vuln/355516",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/vuln/355516/cti",
      "source": "cna@vuldb.com"
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      "url": "https://www.totolink.net/",
      "source": "cna@vuldb.com"
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  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability was detected in Totolink A7100RU 7.4cu.2313_b20191024. The affected element is the function setNtpCfg of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of the argument tz results in os command injection. Remote exploitation of the attack is possible. The exploit is now public and may be used."
    },
    {
      "lang": "es",
      "value": "Se detectó una vulnerabilidad en Totolink A7100RU 7.4cu.2313_b20191024. El elemento afectado es la función setNtpCfg del archivo /cgi-bin/cstecgi.cgi. Realizar una manipulación del argumento tz resulta en inyección de comandos del sistema operativo. La explotación remota del ataque es posible. El exploit ya es público y puede ser utilizado."
    }
  ],
  "lastModified": "2026-07-24T09:10:00.153",
  "sourceIdentifier": "cna@vuldb.com"
}