CVE-2022-44808

Name: CVE-2022-44808
Creator: NVD / NIST
Published: 2022-11-22T15:15:13.827+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 3.83%

Last modified Jun 17, 2026

CVE-2022-44808 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A command injection vulnerability has been found on D-Link DIR-823G devices with firmware version 1.02B03 that allows an attacker to execute arbitrary operating system commands through well-designed /HNAP1 requests. Before the HNAP API function can process the request, the system function executes an untrusted command that triggers the vulnerability.. EPSS estimates a 3.83% chance of exploitation in the next 30 days.

Description

A command injection vulnerability has been found on D-Link DIR-823G devices with firmware version 1.02B03 that allows an attacker to execute arbitrary operating system commands through well-designed /HNAP1 requests. Before the HNAP API function can process the request, the system function executes an untrusted command that triggers the vulnerability.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

3.83%

88.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Dlink	Dir-823g Firmware	1.02b03

References

https://github.com/726232111/VulIoT/tree/main/D-Link/DIR823G%20V1.0.2B05/HNAP1
https://github.com/RobinWang825/IoT_vuln/tree/main/D-Link/DIR-823G/2Exploit, Third Party Advisory
https://www.dlink.com/en/security-bulletin/Vendor Advisory
https://github.com/726232111/VulIoT/tree/main/D-Link/DIR823G%20V1.0.2B05/HNAP1
https://github.com/RobinWang825/IoT_vuln/tree/main/D-Link/DIR-823G/2Exploit, Third Party Advisory
https://www.dlink.com/en/security-bulletin/Vendor Advisory

Timeline

Published: Nov 22, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-44808?

How severe is CVE-2022-44808?

CVE-2022-44808 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.83% probability of exploitation in the next 30 days.

How do I fix CVE-2022-44808?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-44808?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST