CVE-2020-26561

CVSS V2 Medium 6.5 CVSS V3 High 8.8
Description
** UNSUPPORTED WHEN ASSIGNED ** Belkin LINKSYS WRT160NL 1.0.04.002_US_20130619 devices have a stack-based buffer overflow vulnerability because of sprintf in create_dir in mini_httpd. Successful exploitation leads to arbitrary code execution. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.
Overview
  • CVE ID
  • CVE-2020-26561
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-10-23T06:15:12
  • Last Modified Date
  • 2020-10-27T19:51:05
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:belkin:linksys_wrt_160nl_firmware:1.0.04:build_2:*:*:*:*:*:* 1 OR
cpe:2.3:h:belkin:linksys_wrt_160nl:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:S/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 6.5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 8.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 2.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://research.nccgroup.com/2020/10/20/wrt160nl-cve-2020-26561-bof/ Exploit Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-26561
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26561
History
Created Old Value New Value Data Type Notes
2022-05-10 16:21:57 Added to TrackCVE
2022-12-05 00:56:43 2020-10-23T06:15Z 2020-10-23T06:15:12 CVE Published Date updated
2022-12-05 00:56:43 2020-10-27T19:51:05 CVE Modified Date updated
2022-12-05 00:56:43 Analyzed Vulnerability Status updated