FKIE_CVE-2025-9091

Vulnerability from fkie_nvd - Published: 2025-08-17 03:15 - Updated: 2025-08-21 16:10
Severity ?
2.5 (Low) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
A security flaw has been discovered in Tenda AC20 16.03.08.12. Affected by this vulnerability is an unknown functionality of the file /etc_ro/shadow. The manipulation leads to hard-coded credentials. It is possible to launch the attack on the local host. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used.
References
cna@vuldb.comhttps://github.com/ZZ2266/.github.io/blob/main/AC20/hardcoded%20password/readme.md#descriptionExploit, Third Party Advisory
cna@vuldb.comhttps://github.com/ZZ2266/.github.io/tree/main/AC20/hardcoded%20password/readme.mdExploit, Third Party Advisory
cna@vuldb.comhttps://vuldb.com/?ctiid.320359Permissions Required, VDB Entry
cna@vuldb.comhttps://vuldb.com/?id.320359Third Party Advisory, VDB Entry
cna@vuldb.comhttps://vuldb.com/?submit.632268Third Party Advisory, VDB Entry
cna@vuldb.comhttps://www.tenda.com.cn/Product
134c704f-9b21-4f2e-91b3-4a467353bcc0https://github.com/ZZ2266/.github.io/blob/main/AC20/hardcoded%20password/readme.mdExploit, Third Party Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0https://github.com/ZZ2266/.github.io/blob/main/AC20/hardcoded%20password/readme.md#descriptionExploit, Third Party Advisory
Impacted products
Vendor Product Version
tenda ac20_firmware 16.03.08.12
tenda ac20 -
To clipboard 

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    {
      "nodes": [
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  "cveTags": [],
  "descriptions": [
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      "lang": "en",
      "value": "A security flaw has been discovered in Tenda AC20 16.03.08.12. Affected by this vulnerability is an unknown functionality of the file /etc_ro/shadow. The manipulation leads to hard-coded credentials. It is possible to launch the attack on the local host. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used."
    },
    {
      "lang": "es",
      "value": "Se ha descubierto una falla de seguridad en Tenda AC20 16.03.08.12. Esta vulnerabilidad afecta a una funcionalidad desconocida del archivo /etc_ro/shadow. La manipulaci\u00f3n da lugar a credenciales codificadas. Es posible lanzar el ataque contra el host local. Es un ataque de complejidad bastante alta. Parece dif\u00edcil de explotar. Se ha hecho p\u00fablico el exploit y puede que sea utilizado."
    }
  ],
  "id": "CVE-2025-9091",
  "lastModified": "2025-08-21T16:10:43.800",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
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          "accessVector": "LOCAL",
          "authentication": "SINGLE",
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          "attackVector": "LOCAL",
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          "baseSeverity": "LOW",
          "confidentialityImpact": "LOW",
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          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
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          "attackRequirements": "NONE",
          "attackVector": "LOCAL",
          "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",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "LOW",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
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          "vulnIntegrityImpact": "NONE",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
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  "published": "2025-08-17T03:15:27.650",
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  "vulnStatus": "Analyzed",
  "weaknesses": [
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Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • 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.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • 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.