High severity · published Feb 6, 2026
CVE-2026-2063
D-Link DIR-823X Web Management set_ac_server os command injection
7.2
CVSS
5.3%
EPSS
No
On KEV
Description
A security flaw has been discovered in D-Link DIR-823X 250416. This vulnerability affects unknown code of the file /goform/set_ac_server of the component Web Management Interface. The manipulation of the argument ac_server results in os command injection. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.
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)5.3% · higher than 93% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DI
DIR-823X · D-Link
250416 · source: vendor
DF
Dir-823x Firmware · Dlink
250416 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-2063
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-2063
Exploit
https://github.com/master-abc/cve/issues/19
Permissions Required
https://vuldb.com/?ctiid.344623
Third Party Advisory
https://vuldb.com/?id.344623
Third Party Advisory
https://vuldb.com/?submit.744720
Product
https://www.dlink.com/
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