PT-2022-1556 · D Link · D-Link Di-7200G

Published 2022-01-10 · Updated 2022-03-10 · CVE-2021-46231

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions D-Link DI-7200G V2.E1 version 21.04.09E1

Description The issue is related to insufficient input validation in the urlrd opt.asp file of the D-Link DI-7200G V2.E1 router's firmware, specifically with the url en parameter. This allows a remote attacker to execute arbitrary commands.

Recommendations For D-Link DI-7200G V2.E1 version 21.04.09E1, as a temporary workaround, consider restricting access to the urlrd opt.asp function until a patch is available. Avoid using the url en parameter in the affected API endpoint until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Command Injection

Weakness Enumeration

CWE-77

Related Identifiers

BDU:2022-00773

CVE-2021-46231

Affected Products

D-Link Di-7200G

References · 9

• https://dlink.com/en/security-bulletin · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-00773 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-46231 · Security Note
• https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10284 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-46231 · Vendor Advisory
• https://vuldb.com/ru/?id.192243 · Note
• ❌ https://github.com/pjqwudi/my_vuln/blob/main/D-link/vuln_5/5.md · Note, Deleted
• https://t.me/cvenotify/28019 · Telegram Post
• https://t.me/cibsecurity/36825 · Telegram Post