CVE-2026-4210 is a critical command injection vulnerability (CVSS 9.8) affecting numerous D-Link DNS and DNR series devices, specifically within the cgi_tm_set_share function of /cgi-bin/time_machine.cgi. This flaw allows an unauthenticated remote attacker to execute arbitrary commands with low attack complexity, leading to complete compromise of the affected system's confidentiality, integrity, and availability. While not currently listed on the CISA KEV catalog, a public exploit has been released, increasing the potential for future attacks despite low current community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2026-02-05CPE matchmatch criteria | cpe:2.3:o:dlink:dnr-202l_firmware:*:*:*:*:*:*:*:* | ||
<= 2026-02-05CPE matchmatch criteria | cpe:2.3:o:dlink:dnr-326_firmware:*:*:*:*:*:*:*:* | ||
<= 2026-02-05CPE matchmatch criteria | cpe:2.3:o:dlink:dns-1100-4_firmware:*:*:*:*:*:*:*:* | ||
<= 2026-02-05CPE matchmatch criteria | cpe:2.3:o:dlink:dns-120_firmware:*:*:*:*:*:*:*:* | ||
<= 2026-02-05CPE matchmatch criteria | cpe:2.3:o:dlink:dns-1200-05_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/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, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub 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 records are not available for this CVE.