High severity · published May 11, 2026
CVE-2026-8273
D-Link DNS-320 system_mgr.cgi cgi_merge_user os command injection
7.2
CVSS
7.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)7.4% · higher than 94% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DN
DNS-320 · D-Link
2.06B01 · source: vendor
DF
Dns-320 Firmware · Dlink
2.06b01 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-8273
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-8273
Exploit
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
Third Party Advisory
https://vuldb.com/submit/810082
Third Party Advisory
https://vuldb.com/vuln/362570
Permissions Required
https://vuldb.com/vuln/362570/cti
Product
https://www.dlink.com/
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