Is CVE-2022-40799 actively exploited?

Yes. CVE-2022-40799 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2022-40799 be exploited remotely?

The attack vector of CVE-2022-40799 has not been classified yet.

What is the CVSS score of CVE-2022-40799?

CVE-2022-40799 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2022-40799

HIGHCISA KEVIN THE WILD

CVE-2022-40799

Published: August 5, 2025

EPSS:40.34%probability of exploitation in 30 daysPercentile:97.3th

Official 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.

NVD Source

CISA KEV Advisory

D-Link DNR-322L Download of Code Without Integrity Check Vulnerability

Added to KEV: 2025-08-05Federal patch deadline: 2025-08-26

Required Action (CISA)

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

Risk Analysis

This vulnerability in D-Link DNR-322L allows an authenticated attacker to execute operating system commands due to a lack of integrity checks during code downloads. The high EPSS score and confirmed exploitation indicate a significant and immediate risk, especially since the product may be end-of-life.

Active exploitation of this vulnerability has been observed in the wild. Given the nature of the flaw, it is likely remotely exploitable if the web interface is exposed.

Recommended Action

Users should immediately discontinue the use of D-Link DNR-322L devices. If discontinuation is not immediately possible, isolate the device from critical networks and restrict access to its management interface.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2022-40799 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2022-40799 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.