PT-2022-1548 · D Link · D-Link Dir-823-Pro

Published 2022-01-24 · Updated 2022-03-10 · CVE-2021-46453

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions D-Link DIR-823-Pro version 1.0.2

Description The issue is related to a command injection vulnerability in the SetStaticRouteSettings function. This vulnerability allows attackers to execute arbitrary commands via the staticroute list parameter. The vulnerability is caused by insufficient input validation when processing the staticroute list parameter, which can be exploited by a remote attacker to execute arbitrary commands.

Recommendations For D-Link DIR-823-Pro version 1.0.2, as a temporary workaround, consider disabling the SetStaticRouteSettings function until a patch is available. Restrict access to the staticroute list parameter to minimize the risk of exploitation. 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:2022-00763

CVE-2021-46453

Affected Products

D-Link Dir-823-Pro

References · 7

• https://osv.dev/vulnerability/CVE-2021-46453 · Vendor Advisory
• https://dlink.com/en/security-bulletin · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-46453 · Security Note
• https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10285 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-00763 · Security Note
• ❌ https://github.com/pjqwudi/my_vuln/blob/main/D-link/vuln_25/25.md · Note, Deleted
• https://vuldb.com/ru/?id.192247 · Note