PT-2018-2565 · D Link · Dir-822+3

Henry Huang · Published 2018-11-01 · Updated 2019-10-03 · CVE-2018-20674

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

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

Name of the Vulnerable Software and Affected Versions D-Link DIR-822 C1 versions prior to v3.11B01Beta D-Link DIR-822-US C1 versions prior to v3.11B01Beta D-Link DIR-850L A* versions prior to v1.21B08Beta D-Link DIR-850L B* versions prior to v2.22B03Beta D-Link DIR-880L A* versions prior to v1.20B02Beta

Description The issue is related to the lack of input data sanitization in the firmware of D-Link routers. This allows an authenticated remote attacker to execute arbitrary commands.

Recommendations For D-Link DIR-822 C1 versions prior to v3.11B01Beta, update to v3.11B01Beta or later. For D-Link DIR-822-US C1 versions prior to v3.11B01Beta, update to v3.11B01Beta or later. For D-Link DIR-850L A* versions prior to v1.21B08Beta, update to v1.21B08Beta or later. For D-Link DIR-850L B* versions prior to v2.22B03Beta, update to v2.22B03Beta or later. For D-Link DIR-880L A* versions prior to v1.20B02Beta, update to v1.20B02Beta or later.

Fix

Command Injection

Weakness Enumeration

CWE-77

Related Identifiers

BDU:2019-00987

CVE-2018-20674

Affected Products

Dir-822

Dir-822-Us

Dir-850L

Dir-880L

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2018-20674 · Security Note
• https://bdu.fstec.ru/vul/2019-00987 · Security Note
• https://securityadvisories.dlink.com/announcement/publication.aspx?name=SAP10101 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-20674 · Vendor Advisory
• https://cxsecurity.com/cveshow/CVE-2018-20674 · Note