CVE-2021-45392

CVSS V2 High 7.8 CVSS V3 High 7.5
Description
A Buffer Overflow vulnerability exists in Tenda Router AX12 V22.03.01.21_CN in the sub_422CE4 function in page /goform/setIPv6Status via the prefixDelegate parameter, which causes a Denial of Service.
Overview
  • CVE ID
  • CVE-2021-45392
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-02-14T17:15:07
  • Last Modified Date
  • 2022-02-23T01:30:41
Weakness Enumerations
CWE URL
CWE-787 http://cwe.mitre.org/data/definitions/787.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:tenda:ax12_firmware:22.03.01.21_cn:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:tenda:ax12:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 7.8
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 6.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://www.tenda.com.cn/product/AX12.html Product Vendor Advisory
https://www.tenda.com.cn/ Vendor Advisory
http://tendawifi.com/index.html Broken Link
https://github.com/sec-bin/IoT-CVE/tree/main/Tenda/AX12/2 Exploit Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-45392
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45392
History
Created Old Value New Value Data Type Notes
2022-05-10 06:31:48 Added to TrackCVE
2022-12-06 09:42:33 2022-02-14T17:15Z 2022-02-14T17:15:07 CVE Published Date updated
2022-12-06 09:42:33 2022-02-23T01:30:41 CVE Modified Date updated
2022-12-06 09:42:33 Analyzed Vulnerability Status updated