CVE-2026-89052 (GCVE-0-2026-89052)
Vulnerability from cvelistv5
Published
2026-10-21 22:40
Modified
2026-10-21 22:40
CWE
  • CWE-321 - Use of hard-coded cryptographic key
Summary
A hardcoded cryptographic key management vulnerability exists in Archer C6 due to the use of a universal cryptographic key shared across devices. An attacker who obtains an encrypted configuration file or other protected credential data can recover plaintext credentials.  Successful exploitation may allow unauthorized disclosure of sensitive information, including administrative credentials.
Impacted products
Vendor Product Version
TP-Link Systems Inc. Archer C6 V2 Version: 0   < 1.2.1 Build 260902
Create a notification for this product.
Show details on NVD website


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          "product": "Archer C6 V2",
          "vendor": "TP-Link Systems Inc.",
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      "metrics": [
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          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
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            "baseSeverity": "MEDIUM",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "HIGH",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N",
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      "providerMetadata": {
        "dateUpdated": "2026-10-21T22:40:16.165Z",
        "orgId": "f23511db-6c3e-4e32-a477-6aa17d310630",
        "shortName": "TPLink"
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          "url": "https://www.tp-link.com/us/support/download/archer-c6/v2/#Firmware"
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          "url": "https://www.tp-link.com/us/support/faq/5356/"
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      "source": {
        "discovery": "UNKNOWN"
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    "dateReserved": "2026-09-10T17:16:02.019Z",
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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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