PT-2026-25588 · D Link · Dnr-202L+38

Bond_Yes · Published 2026-03-16 · Updated 2026-03-16 · CVE-2026-4207

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions D-Link DNS-120 D-Link DNR-202L D-Link DNS-315L D-Link DNS-320 D-Link DNS-320L D-Link DNS-320LW D-Link DNS-321 D-Link DNR-322L D-Link DNS-323 D-Link DNS-325 D-Link DNS-326 D-Link DNS-327L D-Link DNR-326 D-Link DNS-340L D-Link DNS-343 D-Link DNS-345 D-Link DNS-726-4 D-Link DNS-1100-4 D-Link DNS-1200-05 D-Link DNS-1550-04 versions prior to 20260205

Description A command injection issue exists in the cgi device/cgi sms test/cgi firmware upload/cgi ntp time function within the /cgi-bin/system mgr.cgi file. Successful manipulation of this function can lead to command injection. The attack can be carried out remotely. The exploit for this issue has been publicly disclosed.

Recommendations D-Link DNS-120 versions prior to 20260205 D-Link DNR-202L versions prior to 20260205 D-Link DNS-315L versions prior to 20260205 D-Link DNS-320 versions prior to 20260205 D-Link DNS-320L versions prior to 20260205 D-Link DNS-320LW versions prior to 20260205 D-Link DNS-321 versions prior to 20260205 D-Link DNR-322L versions prior to 20260205 D-Link DNS-323 versions prior to 20260205 D-Link DNS-325 versions prior to 20260205 D-Link DNS-326 versions prior to 20260205 D-Link DNS-327L versions prior to 20260205 D-Link DNR-326 versions prior to 20260205 D-Link DNS-340L versions prior to 20260205 D-Link DNS-343 versions prior to 20260205 D-Link DNS-345 versions prior to 20260205 D-Link DNS-726-4 versions prior to 20260205 D-Link DNS-1100-4 versions prior to 20260205 D-Link DNS-1200-05 versions prior to 20260205 D-Link DNS-1550-04 versions prior to 20260205

Exploit

Fix

Command Injection

Special Elements Injection

Weakness Enumeration

CWE-77

CWE-74

Related Identifiers

CVE-2026-4207

Affected Products

Dnr-202L

Dnr-322L

Dnr-326

Dns-1100-4

Dns-120

Dns-1200-05

Dns-1550-04

Dns-315L

Dns-320

Dns-320L

Dns-321

Dns-323

Dns-325

Dns-326

Dns-327L

Dns-340L

Dns-343

Dns-345

Dns-726-4

Dnr-202L Firmware

Dnr-326 Firmware

Dns-1100-4 Firmware

Dns-1200-05 Firmware

Dns-120 Firmware

Dns-1550-04 Firmware

Dns-315L Firmware

Dns-320 Firmware

Dns-320L Firmware

Dns-320Lw Firmware

Dns-321 Firmware

Dns-322L Firmware

Dns-323 Firmware

Dns-325 Firmware

Dns-326 Firmware

Dns-327L Firmware

Dns-340L Firmware

Dns-343 Firmware

Dns-345 Firmware

Dns-726-4 Firmware

References · 12

• 🔥❌ https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_142/142.md · Exploit, Deleted
• 🔥❌ https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_141/141.md · Exploit, Deleted
• https://nvd.nist.gov/vuln/detail/CVE-2026-4207 · Security Note
• https://twitter.com/fernandokarl/status/2033611398358380806 · Twitter Post
• https://vuldb.com/?submit.770422 · Note
• https://vuldb.com/?submit.770423 · Note
• https://twitter.com/cyberbivash/status/2033421324253642937 · Twitter Post
• https://dlink.com · Note
• https://vuldb.com/?ctiid.351119 · Note
• https://vuldb.com/?submit.770425 · Note
• https://vuldb.com/?submit.770420 · Note
• https://vuldb.com/?id.351119 · Note