PT-2022-5875 · D Link · D-Link Dnr-322L

Published 2022-09-27 · Updated 2025-08-19 · CVE-2022-40799

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 DNR-322L versions 2.60B15 and earlier

Description The issue is related to a data integrity failure in the 'Backup Config' feature, allowing an authenticated attacker to execute OS level commands on the device. This can be exploited by a remote attacker to execute arbitrary code.

Recommendations For D-Link DNR-322L versions 2.60B15 and earlier, update to a version later than 2.60B15 to resolve the issue. As a temporary workaround, consider restricting access to the 'Backup Config' feature until a patch is available.

Exploit

Fix

RCE

Weakness Enumeration

CWE-494

Related Identifiers

BDU:2022-07290

CVE-2022-40799

Affected Products

D-Link Dnr-322L

References · 13

• 🔥 https://gitlab.com/lu-ka/cve-2022-40799 · Exploit
• https://bdu.fstec.ru/vul/2022-07290 · Security Note
• https://dlink.com/uk/en/products/dnr-322l-cloud-network-video-recorder · Security Note
• https://osv.dev/vulnerability/CVE-2022-40799 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-40799 · Security Note
• https://twitter.com/ZeroDayFacts/status/1957748374687392177 · Twitter Post
• https://twitter.com/CyberxtronTech/status/1952966977103765853 · Twitter Post
• https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10305 · Note
• https://cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-40799 · Note
• https://t.me/cibsecurity/53624 · Telegram Post
• https://twitter.com/ytroncal/status/1953024201146749250 · Twitter Post
• https://blog.lukasec.ch/posts/dlink_dnr322.html · Note
• https://twitter.com/ScyScan/status/1952808804485398945 · Twitter Post