CVE-2020-29557

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2020-29557
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.

9.8 /10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

10.0 /10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 10.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References
Link Resource
https://shaqed.github.io/dlink/ Broken Link Exploit Third Party Advisory
https://www.dlink.ru/ru/download2/5/19/2354/441/ Product
https://shaqed.github.io/dlink/ Broken Link Exploit Third Party Advisory
https://www.dlink.ru/ru/download2/5/19/2354/441/ Product
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-29557
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:dlink:dir-825_r1_firmware:*:*:*:*:*:*:*:*
OR cpe:2.3:h:dlink:dir-825:r1:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dir-825\/a:d1a:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dir-825\/ac:e:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dir-825\/ac:e1a:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dir-825\/acf:f1:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dir-825\/gf:gf:*:*:*:*:*:*:*
History

22 Oct 2025, 00:17

Type Values Removed Values Added
References
  • () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-29557 -

21 Oct 2025, 20:18

Type Values Removed Values Added
References
  • {'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-29557', 'source': '134c704f-9b21-4f2e-91b3-4a467353bcc0'}

21 Oct 2025, 19:18

Type Values Removed Values Added
References
  • () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-29557 -

06 Feb 2025, 15:20

Type Values Removed Values Added
References () https://shaqed.github.io/dlink/ - Exploit, Third Party Advisory () https://shaqed.github.io/dlink/ - Broken Link, Exploit, Third Party Advisory
References () https://www.dlink.ru/ru/download2/5/19/2354/441/ - Vendor Advisory () https://www.dlink.ru/ru/download2/5/19/2354/441/ - Product
Information

Published : 2021-01-29 20:15

Updated : 2025-10-22 00:17

NVD link : CVE-2020-29557

Mitre link : CVE-2020-29557

CVE.ORG link : CVE-2020-29557

JSON object : View

Products Affected

dlink

  • dir-825\/a
  • dir-825\/acf
  • dir-825
  • dir-825_r1_firmware
  • dir-825\/ac
  • dir-825\/gf
CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer