U.S. flag   An official website of the United States government
Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock (Dot gov) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2020-29557 Detail

Description

An issue was discovered on D-Link DIR-825 R1 devices through 3.0.1 before 2020-11-20. A buffer overflow in the web interface allows attackers to achieve pre-authentication remote code execution.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 3.x Severity and Vector Strings:

NIST CVSS score
NIST: NVD
Base Score:  9.8 CRITICAL
Vector:  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

ADP:  CISA-ADP
Base Score:  9.8 CRITICAL
Vector:  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

Hyperlink Resource
https://shaqed.github.io/dlink/ Broken Link  Exploit  Third Party Advisory 
https://shaqed.github.io/dlink/ Broken Link  Exploit  Third Party Advisory 
https://www.dlink.ru/ru/download2/5/19/2354/441/ Product 
https://www.dlink.ru/ru/download2/5/19/2354/441/ Product 

This CVE is in CISA's Known Exploited Vulnerabilities Catalog

Reference CISA's BOD 22-01 and Known Exploited Vulnerabilities Catalog for further guidance and requirements.

Vulnerability Name Date Added Due Date Required Action
D-Link DIR-825 R1 Devices Buffer Overflow Vulnerability 11/03/2021 05/03/2022 Apply updates per vendor instructions.

Weakness Enumeration

CWE-ID CWE Name Source
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer cwe source acceptance level NIST   CISA-ADP  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:dlink:dir-825_r1_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s) 		Up to (including)
3.0.1
Running on/with
 cpe:2.3:h:dlink:dir-825:r1:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:h:dlink:dir-825\/a:d1a:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:h:dlink:dir-825\/ac:e:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:h:dlink:dir-825\/ac:e1a:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:h:dlink:dir-825\/acf:f1:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:h:dlink:dir-825\/gf:gf:*:*:*:*:*:*:*
   Show Matching CPE(s)

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

14 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-29557
NVD Published Date:
01/29/2021
NVD Last Modified:
03/14/2025
Source:
MITRE