CVE-2021-28841

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
Null Pointer Dereference vulnerability in TRENDnet TEW-755AP 1.11B03, TEW-755AP2KAC 1.11B03, TEW-821DAP2KAC 1.11B03, and TEW-825DAP 1.11B03, which could let a remote malicious user cause a denial of service by sending a POST request to apply_cgi via an action ping_test without a ping_ipaddr key.
Overview
  • CVE ID
  • CVE-2021-28841
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-08-10T19:15:07
  • Last Modified Date
  • 2021-08-16T20:40:52
Weakness Enumerations
CWE URL
CWE-476 http://cwe.mitre.org/data/definitions/476.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:trendnet:tew-755ap_firmware:1.11b03:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:trendnet:tew-755ap:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:trendnet:tew-755ap2kac_firmware:1.11b03:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:trendnet:tew-755ap2kac:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:trendnet:tew-821dap2kac_firmware:1.11b03:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:trendnet:tew-821dap2kac:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:trendnet:tew-825dap_firmware:1.11b03:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:trendnet:tew-825dap:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
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/zyw-200/EQUAFL/blob/main/TRENDnet%20ticket.pdf Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-28841
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28841
History
Created Old Value New Value Data Type Notes
2022-05-10 06:57:01 Added to TrackCVE
2022-12-05 07:49:39 2021-08-10T19:15Z 2021-08-10T19:15:07 CVE Published Date updated
2022-12-05 07:49:39 2021-08-16T20:40:52 CVE Modified Date updated
2022-12-05 07:49:39 Analyzed Vulnerability Status updated