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ZdiCVELIST:CVE-2020-10885

HistoryMar 25, 2020 - 7:15 p.m.

CVE-2020-10885

2020-03-2519:15:25

CWE-20

zdi

www.cve.org

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.6

Confidence

High

EPSS

0.026

Percentile

90.4%

JSON

This vulnerability allows remote attackers to execute arbitrary code on affected installations of TP-Link Archer A7 Firmware Ver: 190726 AC1750 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of DNS responses. The issue results from the lack of proper validation of DNS reponses prior to further processing. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the root user. Was ZDI-CAN-9661.

CNA Affected

[
  {
    "product": "Archer A7",
    "vendor": "TP-Link",
    "versions": [
      {
        "status": "affected",
        "version": "Firmware Ver: 190726"
      }
    ]
  }
]

References

www.zerodayinitiative.com/advisories/ZDI-20-337/

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.6

Confidence

High

EPSS

0.026

Percentile

90.4%

JSON

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