CVE-2021-45991

CVSS V2 High 7.8 CVSS V3 High 7.5
Description
Tenda routers G1 and G3 v15.11.0.17(9502)_CN were discovered to contain a stack overflow in the function formAddVpnUsers. This vulnerability allows attackers to cause a Denial of Service (DoS) via the vpnUsers parameter.
Overview
  • CVE ID
  • CVE-2021-45991
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-02-04T02:15:08
  • Last Modified Date
  • 2022-02-08T15:45:33
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:tendacn:g1_firmware:15.11.0.17\(9502\)_cn:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:tendacn:g1:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:tendacn:g3_firmware:15.11.0.17\(9502\)_cn:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:tendacn:g3:-:*:*:*:*:*:*:* 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://github.com/pjqwudi/my_vuln/blob/main/Tenda/vuln_6/6.md Broken Link
https://exchange.xforce.ibmcloud.com/vulnerabilities/218954 Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-45991
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45991
History
Created Old Value New Value Data Type Notes
2022-05-10 06:33:40 Added to TrackCVE
2022-12-06 08:27:35 2022-02-04T02:15Z 2022-02-04T02:15:08 CVE Published Date updated
2022-12-06 08:27:35 2022-02-08T15:45:33 CVE Modified Date updated
2022-12-06 08:27:35 Analyzed Vulnerability Status updated