CVE-2026-2143 is a high-severity OS command injection vulnerability affecting D-Link DIR-823X routers, specifically firmware version 250416. An authenticated remote attacker can exploit this by manipulating DDNS service parameters (ddnsType, ddnsDomainName, ddnsUserName, ddnsPwd) to execute arbitrary commands. This vulnerability carries a CVSS score of 7.2 (HIGH) due to its remote attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While the exploit has been publicly disclosed, there is no evidence of active exploitation, readily available exploit tools like Metasploit or Nuclei, or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
250416CPE matchmatch criteria | cpe:2.3:o:dlink:dir-823x_firmware:250416:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.3 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.