PT-2022-1553 · D Link · D-Link Dir-823-Pro

Published 2022-01-24 · Updated 2022-03-09 · CVE-2021-46457

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 ChgSambaUserSettings() function. This vulnerability allows attackers to execute arbitrary commands via the samba name parameter. The vulnerability is due to insufficient input validation when processing the samba name parameter, which can be exploited by a remote attacker to execute arbitrary commands.

Recommendations For D-Link DIR-823-Pro version 1.0.2, consider disabling the ChgSambaUserSettings() function until a patch is available. Restrict access to the samba name 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.

Exploit

Command Injection

Weakness Enumeration

CWE-77

Related Identifiers

BDU:2022-00769

CVE-2021-46457

Affected Products

D-Link Dir-823-Pro

References · 7

• 🔥❌ https://github.com/pjqwudi/my_vuln/blob/main/D-link/vuln_23/23.md · Exploit, Deleted
• https://dlink.com/en/security-bulletin · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-00769 · Security Note
• https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10285 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-46457 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-46457 · Security Note
• https://vuldb.com/ru/?id.192279 · Note