CVE-2020-10885

CVSS V2 High 7.5 CVSS V3 Critical 9.8
Description
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.
Overview
  • CVE ID
  • CVE-2020-10885
  • Assigner
  • zdi-disclosures@trendmicro.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-03-25T21:15:12
  • Last Modified Date
  • 2020-03-31T18:05:52
Weakness Enumerations
CWE URL
CWE-20 http://cwe.mitre.org/data/definitions/20.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:tp-link:ac1750_firmware:190726:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:tp-link:ac1750:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 7.5
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 9.8
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 3.9
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://www.zerodayinitiative.com/advisories/ZDI-20-337/ Third Party Advisory VDB Entry
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-10885
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-10885
History
Created Old Value New Value Data Type Notes
2022-05-10 16:45:46 Added to TrackCVE
2022-12-04 13:34:01 2020-03-25T21:15Z 2020-03-25T21:15:12 CVE Published Date updated
2022-12-04 13:34:01 2020-03-31T18:05:52 CVE Modified Date updated
2022-12-04 13:34:01 Analyzed Vulnerability Status updated