CVE-2021-26709

CVSS V2 High 10 CVSS V3 Critical 9.8
Description
** UNSUPPORTED WHEN ASSIGNED ** D-Link DSL-320B-D1 devices through EU_1.25 are prone to multiple Stack-Based Buffer Overflows that allow unauthenticated remote attackers to take over a device via the login.xgi user and pass parameters. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.
Overview
  • CVE ID
  • CVE-2021-26709
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-04-07T11:15:12
  • Last Modified Date
  • 2021-04-20T18:10:26
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:d-link:dsl-320b-d1:*:*:*:*:*:*:*:* 1 OR eu_1.25
cpe:2.3:h:d-link:dsl-320b-d1:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:C/I:C/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 10
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 10
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.dlink.com/en/security-bulletin Vendor Advisory
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10216 Vendor Advisory
http://seclists.org/fulldisclosure/2021/Apr/15 Mailing List Third Party Advisory
http://packetstormsecurity.com/files/162133/D-Link-DSL-320B-D1-Pre-Authentication-Buffer-Overflow.html Exploit Third Party Advisory VDB Entry
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-26709
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26709
History
Created Old Value New Value Data Type Notes
2022-05-10 07:15:10 Added to TrackCVE
2022-12-06 01:21:57 2021-04-07T11:15Z 2021-04-07T11:15:12 CVE Published Date updated
2022-12-06 01:21:57 2021-04-20T18:10:26 CVE Modified Date updated
2022-12-06 01:21:57 Analyzed Vulnerability Status updated