CVE-2022-43109: dlink dir-823g_firmware Command Injection
CVSS: 9.8v3.1CriticalModified
Published 03-11-2022Last modified 05-05-2025
Vulnerability summary
CVE-2022-43109 is a critical (CVSS 9.8) Command Injection vulnerability in dlink dir-823g_firmware. EPSS estimates a 3.82% chance of exploitation in the next 30 days, higher than 89.9% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
3.82%
0%100%
Low · +0.07 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 03-11-2022PublishedVulnerability first disclosed.
- 05-05-2025Last modifiedVulnerability information updated.
Description
D-Link DIR-823G v1.0.2 was found to contain a command injection vulnerability in the function SetNetworkTomographySettings. This vulnerability allows attackers to execute arbitrary commands via a crafted packet.
CVSS metrics
2 scores · 2 sources · 1 versionCritical 9.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
3.82%
Chance of exploitation in the next 30 days
Percentile
90%
Versus all other CVEs
30-day change
+0.07 pp
From 3.75% on 19-09-2026
19-09-202619-10-2026
EPSS score3.82%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundIot Firmware
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Dlink1 product
- dir-823g_firmware1.0.2
1 vendor · 1 product
References
2 links- www.dlink.com/en/security-bulletin/Vendor Advisory
- github.com/ppcrab/IOT_FIRMWARE/blob/main/%E5%8F%8B%E8%AE%AF/dir-823g/cve_v1.0.2.pdfExploitThird Party Advisory