CVE-2021-3125 (GCVE-0-2021-3125)

Vulnerability from cvelistv5 – Published: 2021-04-12 17:41 – Updated: 2024-08-03 16:45
VLAI
Summary
In TP-Link TL-XDR3230 < 1.0.12, TL-XDR1850 < 1.0.9, TL-XDR1860 < 1.0.14, TL-XDR3250 < 1.0.2, TL-XDR6060 Turbo < 1.1.8, TL-XDR5430 < 1.0.11, and possibly others, when IPv6 is used, a routing loop can occur that generates excessive network traffic between an affected device and its upstream ISP's router. This occurs when a link prefix route points to a point-to-point link, a destination IPv6 address belongs to the prefix and is not a local IPv6 address, and a router advertisement is received with at least one global unique IPv6 prefix for which the on-link flag is set.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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establece\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:N/I:N/A:P\",\"baseScore\":4.3,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-834\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:tp-link:tl-xdr3230_firmware:*:*:*:*:*:easy_exhibition_turbo:*:*\",\"versionEndExcluding\":\"1.0.12\",\"matchCriteriaId\":\"A0D17DEE-C4E7-478E-B70E-CDE2F775C8C7\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:tp-link:tl-xdr3230:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0F2F0B3B-F393-4667-B579-FF7E53494A8C\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:tp-link:tl-xdr5430_firmware:*:*:*:*:*:easy_exhibition:*:*\",\"versionEndExcluding\":\"1.0.11\",\"matchCriteriaId\":\"9748491C-2C0F-4C87-94BA-4D01F5B334AC\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:tp-link:tl-xdr5430:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DB818559-2DD9-41FF-8160-33E59516F061\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:tp-link:tl-xdr3250_firmware:*:*:*:*:*:easy_exhibition:*:*\",\"versionEndExcluding\":\"1.0.2\",\"matchCriteriaId\":\"3DB26B3D-F802-429D-B303-00F1ECF085AC\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:tp-link:tl-xdr3250:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"36FE5CF6-4941-4E9E-8584-E9BA6BA73D72\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:tp-link:tl-xdr1860_firmware:*:*:*:*:*:easy_exhibition:*:*\",\"versionEndExcluding\":\"1.0.14\",\"matchCriteriaId\":\"8B1FC40F-5F0A-458D-B00D-BF933BA0136C\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:tp-link:tl-xdr1860:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"37F81B38-9711-4748-A8C4-B65F0FB94AD8\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:tp-link:tl-xdr1850_firmware:*:*:*:*:*:easy_exhibition:*:*\",\"versionEndExcluding\":\"1.0.9\",\"matchCriteriaId\":\"3897116B-E78E-40B1-986B-24456237B852\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:tp-link:tl-xdr1850:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D4DAC6CF-72E8-47A4-9803-80171D5E0055\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:tp-link:tl-xdr6060_firmware:*:*:*:*:*:easy_exhibition:*:*\",\"versionEndExcluding\":\"1.1.8\",\"matchCriteriaId\":\"315B5D50-DB9F-476D-8F16-1F51ED6AC143\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:tp-link:tl-xdr6060:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F2A60FB6-25AC-4443-AA29-8E13944E3F8A\"}]}]}],\"references\":[{\"url\":\"https://service.tp-link.com.cn/detail_download_8719.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://service.tp-link.com.cn/detail_download_8720.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://service.tp-link.com.cn/detail_download_8722.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://service.tp-link.com.cn/detail_download_8723.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://service.tp-link.com.cn/detail_download_8724.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://service.tp-link.com.cn/detail_download_8725.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://service.tp-link.com.cn/detail_download_8719.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://service.tp-link.com.cn/detail_download_8720.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://service.tp-link.com.cn/detail_download_8722.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://service.tp-link.com.cn/detail_download_8723.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://service.tp-link.com.cn/detail_download_8724.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://service.tp-link.com.cn/detail_download_8725.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}",
    "redhat_vex": {
      "current_release_date": "2026-03-27T14:08:58+00:00",
      "cve": "CVE-2021-3125",
      "id": "CVE-2021-3125",
      "initial_release_date": "2021-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "CVE-2021-3125",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-3125.json",
      "version": "3"
    }
  }
}



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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.