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Known Exploited Vulnerability
8.8
HIGH CVSS 3.1
CVE-2022-40799
D-Link DNR-322L Download of Code Without Integrity Check Vulnerability - [Actively Exploited]
Description

Data Integrity Failure in 'Backup Config' in D-Link DNR-322L <= 2.60B15 allows an authenticated attacker to execute OS level commands on the device.

INFO

Published Date :

Nov. 29, 2022, 5:15 a.m.

Last Modified :

Aug. 6, 2025, 8:42 p.m.

Remotely Exploit :

Yes !

Source :

[email protected]
CISA Notification
CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Description :

D-Link DNR-322L contains a download of code without integrity check vulnerability that could allow an authenticated attacker to execute OS level commands on the device. The impacted products could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization.

Required Action :

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Notes :

https://www.dlink.com/uk/en/products/dnr-322l-cloud-network-video-recorder ; https://nvd.nist.gov/vuln/detail/CVE-2022-40799

Affected Products

The following products are affected by CVE-2022-40799 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Dlink dnr-322l_firmware
2 Dlink dnr-322l
: Total Affected Vendor : 1 | Products : 2
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH [email protected]
CVSS 3.1 HIGH 134c704f-9b21-4f2e-91b3-4a467353bcc0
Public PoC/Exploit Available at Github

CVE-2022-40799 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2022-40799.

URL Resource
https://gitlab.com/lu-ka/cve-2022-40799 Exploit Third Party Advisory
https://gitlab.com/lu-ka/cve-2022-40799 Exploit Third Party Advisory
https://www.dlink.com/uk/en/products/dnr-322l-cloud-network-video-recorder Product
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-40799 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2022-40799 weaknesses.

CAPEC-184: Software Integrity Attack Software Integrity Attack CAPEC-185: Malicious Software Download Malicious Software Download CAPEC-186: Malicious Software Update Malicious Software Update CAPEC-187: Malicious Automated Software Update via Redirection Malicious Automated Software Update via Redirection CAPEC-533: Malicious Manual Software Update Malicious Manual Software Update CAPEC-538: Open-Source Library Manipulation Open-Source Library Manipulation CAPEC-657: Malicious Automated Software Update via Spoofing Malicious Automated Software Update via Spoofing CAPEC-662: Adversary in the Browser (AiTB) Adversary in the Browser (AiTB) CAPEC-691: Spoof Open-Source Software Metadata Spoof Open-Source Software Metadata CAPEC-692: Spoof Version Control System Commit Metadata Spoof Version Control System Commit Metadata CAPEC-693: StarJacking StarJacking CAPEC-695: Repo Jacking Repo Jacking

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

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ums91/CISA_BOT

CISA Bot is a GitHub bot that automatically monitors the Cybersecurity and Infrastructure Security Agency (CISA) Known Exploited Vulnerabilities (KEV) Catalog. When new vulnerabilities are published in the KEV, the bot creates GitHub issues in this repository with detailed information about each vulnerability.

Python

Updated: 1 day, 18 hours ago
2 stars 1 fork 1 watcher
Born at : Oct. 29, 2024, 10:19 a.m. This repo has been linked 205 different CVEs too.
Profile Photo
rtfmkiesel/CVE-2022-40799

D-Link DNR-322L - Authenticated Remote Code Execution

cve dlink python

Python

Updated: 1 year, 11 months ago
2 stars 0 fork 0 watcher
Born at : April 23, 2023, 8:42 p.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2022-40799 vulnerability anywhere in the article.

  • security.nl
VS meldt misbruik van lekken in ip-camera's en digitale videorecorder D-Link

Het Amerikaanse cyberagentschap CISA meldt dat aanvallers misbruik maken, of hebben gemaakt, van oude kwetsbaarheden in ip-camera's en een digitale videorecorder van fabrikant D-Link. Afgelopen decemb ... Read more

Published Date: Aug 06, 2025 (3 weeks, 1 day ago)
  • CybersecurityNews
CISA Warns of D-Link Vulnerabilities Actively Exploited in Attacks

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has issued a new alert, adding three vulnerabilities affecting D-Link devices to its Known Exploited Vulnerabilities (KEV) Catalog. The ... Read more

Published Date: Aug 06, 2025 (3 weeks, 1 day ago)
  • Daily CyberSecurity
CISA Adds Three D-Link Flaws to KEV Catalog: EOL IP Cameras Under Active Exploitation

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has issued a warning for organizations and government entities: three vulnerabilities in legacy D-Link devices are now under active exp ... Read more

Published Date: Aug 06, 2025 (3 weeks, 1 day ago)

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2022-40799 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Modified Analysis by [email protected]

    Aug. 06, 2025

    Action Type Old Value New Value
    Added Reference Type CISA-ADP: https://www.dlink.com/uk/en/products/dnr-322l-cloud-network-video-recorder Types: Product
  • CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725

    Aug. 06, 2025

    Action Type Old Value New Value
    Added Date Added 2025-08-05
    Added Due Date 2025-08-26
    Added Required Action Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
    Added Vulnerability Name D-Link DNR-322L Download of Code Without Integrity Check Vulnerability
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Aug. 05, 2025

    Action Type Old Value New Value
    Added Reference https://www.dlink.com/uk/en/products/dnr-322l-cloud-network-video-recorder
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Apr. 25, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-494
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://gitlab.com/lu-ka/cve-2022-40799
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Dec. 01, 2022

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://gitlab.com/lu-ka/cve-2022-40799 No Types Assigned https://gitlab.com/lu-ka/cve-2022-40799 Exploit, Third Party Advisory
    Added CWE NIST CWE-494
    Added CPE Configuration AND OR *cpe:2.3:o:dlink:dnr-322l_firmware:*:*:*:*:*:*:*:* versions up to (including) 2.60b15 OR cpe:2.3:h:dlink:dnr-322l:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 8.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

73.08 }} 0.86%

score

0.98730

percentile