FKIE_CVE-2025-8940

Vulnerability from fkie_nvd - Published: 2025-08-14 06:15 - Updated: 2025-08-19 18:42
Severity ?
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
A vulnerability was identified in Tenda AC20 up to 16.03.08.12. Affected by this vulnerability is the function strcpy of the file /goform/saveParentControlInfo. The manipulation of the argument Time leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.
References
cna@vuldb.comhttps://github.com/lin-3-start/lin-cve/blob/main/Tenda%20AC20-2/Tenda%20AC20-2.mdExploit, Third Party Advisory
cna@vuldb.comhttps://github.com/lin-3-start/lin-cve/blob/main/Tenda%20AC20-2/Tenda%20AC20-2.md#pocExploit, Third Party Advisory
cna@vuldb.comhttps://vuldb.com/?ctiid.319903Permissions Required, VDB Entry
cna@vuldb.comhttps://vuldb.com/?id.319903Third Party Advisory, VDB Entry
cna@vuldb.comhttps://vuldb.com/?submit.631836Third Party Advisory, VDB Entry
cna@vuldb.comhttps://www.tenda.com.cn/Product
134c704f-9b21-4f2e-91b3-4a467353bcc0https://github.com/lin-3-start/lin-cve/blob/main/Tenda%20AC20-2/Tenda%20AC20-2.mdExploit, Third Party Advisory
Impacted products
Vendor Product Version
tenda ac20_firmware *
tenda ac20 -
To clipboard 

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              "matchCriteriaId": "58763CC5-F635-482E-958F-CF7D7DFE5CC7",
              "versionEndIncluding": "16.03.08.12",
              "versionStartIncluding": "16.03.08.0",
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  "descriptions": [
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      "value": "A vulnerability was identified in Tenda AC20 up to 16.03.08.12. Affected by this vulnerability is the function strcpy of the file /goform/saveParentControlInfo. The manipulation of the argument Time leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used."
    },
    {
      "lang": "es",
      "value": "Se identific\u00f3 una vulnerabilidad en Tenda AC20 hasta la versi\u00f3n 16.03.08.12. Esta vulnerabilidad afecta a la funci\u00f3n strcpy del archivo /goform/saveParentControlInfo. La manipulaci\u00f3n del argumento Time provoca un desbordamiento del b\u00fafer. El ataque puede ejecutarse en remoto. Se ha hecho p\u00fablico el exploit y puede que sea utilizado."
    }
  ],
  "id": "CVE-2025-8940",
  "lastModified": "2025-08-19T18:42:24.900",
  "metrics": {
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        "acInsufInfo": false,
        "baseSeverity": "HIGH",
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          "authentication": "SINGLE",
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          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
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          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
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          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "PROOF_OF_CONCEPT",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
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          "providerUrgency": "NOT_DEFINED",
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          "valueDensity": "NOT_DEFINED",
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      "source": "cna@vuldb.com",
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}


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  • 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.
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  • 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.



Detection rules are retrieved from Rulezet.