Vulnerability · Published May 11, 2026 · Assigned by VulDB
CVE-2026-8273D-Link DNS-320 system_mgr.cgi cgi_merge_user os command injection
Medium 4.7
In plain English
A medium-severity OS command injection in DNS-320 from D-Link. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 7.4% (higher than 94% of all known vulnerabilities).
Severity (CVSS 3.1)4.7Medium
Exploit odds (30 days)7.4%top 5.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A weakness has been identified in D-Link DNS-320 2.06B01. This impacts the function cgi_set_host/cgi_set_ntp/cgi_fan_control/cgi_merge_user of the file /cgi-bin/system_mgr.cgi. This manipulation causes os command injection. It is possible to initiate the attack remotely.
Affected products (as reported)
Weakness: CWE-78, CWE-77 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R
References
- VDB-362570 | D-Link DNS-320 system_mgr.cgi cgi_merge_user os command injection vdb-entry, technical-description
- VDB-362570 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #810082 | D-Link Corporation DNS-320 ShareCenter NAS (Rev.A) Firmware 2.06B01 HOTFIX CWE-78: OS Command Injection third-party-advisory
- https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/D-Link%20DNS-320%20%20system_mgraccount_mgrdsk_mgrapp_mgr%20Multiple%20CGI%20OS%20Command%20Injection.md related
- https://www.dlink.com/ product