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CVE-2022-44808

33
FAUCET Score

CVE-2022-44808 is a critical command injection vulnerability affecting D-Link DIR-823G routers with firmware version 1.02B03. An unauthenticated attacker can execute arbitrary operating system commands by crafting specific /HNAP1 requests, leveraging a flaw where the system function processes untrusted commands before the HNAP API. This vulnerability carries a CVSS score of 9.8 (Critical) due to its network-based attack vector, low complexity, and high impact on confidentiality, integrity, and availability. While there is no known active exploitation, public exploit code, or KEV listing, the vulnerability has garnered significant community discussion, indicating potential future interest.

Impacted Technologies

VendorProductVersion(s)CPE
1.02b03CPE matchmatch criteria
cpe:2.3:o:dlink:dir-823g_firmware:1.02b03:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
3.83%
Probability of exploitation in next 30 days
EPSS Percentile
89.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0383 is in the 82nd percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

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