PT-2022-1555 · D Link · D-Link Dir-823-Pro

Published 2022-01-24 · Updated 2022-03-10 · CVE-2021-46454

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 DIR-823-Pro version 1.0.2

Description The issue is related to a command injection vulnerability in the SetWLanApcliSettings() function. This vulnerability allows attackers to execute arbitrary commands via the ApCliKeyStr parameter. The vulnerability is caused by insufficient input data validation when processing the ApCliKeyStr 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 SetWLanApcliSettings() function until a patch is available. Restrict access to the ApCliKeyStr parameter in the affected API endpoint to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Command Injection

Weakness Enumeration

CWE-77

Related Identifiers

BDU:2022-00772

CVE-2021-46454

Affected Products

D-Link Dir-823-Pro

References · 7

• 🔥❌ https://github.com/pjqwudi/my_vuln/blob/main/D-link/vuln_24/24.md · Exploit, Deleted
• https://bdu.fstec.ru/vul/2022-00772 · Security Note
• https://dlink.com/en/security-bulletin · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-46454 · Security Note
• https://osv.dev/vulnerability/CVE-2021-46454 · Vendor Advisory
• https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10285 · Vendor Advisory
• https://vuldb.com/ru/?id.192248 · Note