Data Integrity Flaw in D-Link DNR-322L Device
CVE-2022-40799

8.8HIGH

Key Information:

Vendor

D-Link
Status
Dnr-322l Firmware
Vendor
CVE Published:
29 November 2022

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 57%🦅 CISA Reported

What is CVE-2022-40799?

The D-Link DNR-322L device version 2.60B15 and earlier is affected by a data integrity failure in the 'Backup Config' feature. This vulnerability allows authenticated attackers to execute operating system-level commands on the device, potentially compromising its integrity and security. Effective measures should be implemented to mitigate these risks and safeguard the device from unauthorized access.

CISA has reported CVE-2022-40799

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed CVE-2022-40799 as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace

The CISA's recommendation is: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2022-40799
Created by rtfmkiesel

References

https://gitlab.com/lu-ka/cve-2022-40799

EPSS Score

57% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🦅

    CISA Reported

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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