High severity · published Jan 28, 2026
CVE-2026-1544
D-Link DIR-823X set_mode sub_41E2A0 os command injection
8.8
CVSS
3.8%
EPSS
No
On KEV
Description
A security flaw has been discovered in D-Link DIR-823X 250416. Impacted is the function sub_41E2A0 of the file /goform/set_mode. Performing a manipulation of the argument lan_gateway results in os command injection. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. This vulnerability only affects products that are no longer supported by the maintainer.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.8% · higher than 90% 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-2026-1544
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-1544
Exploit
https://github.com/master-abc/cve/issues/16
Permissions Required
https://vuldb.com/?ctiid.343228
Third Party Advisory
https://vuldb.com/?id.343228
Third Party Advisory
https://vuldb.com/?submit.739155
Product
https://www.dlink.com/
More from DIR-823X
7.2
CVE-2025-29635
D-Link DIR-823X Command Injection Vulnerability
9.8
CVE-2026-1125
D-Link DIR-823X set_wifidog_settings sub_412E7C command injection
7.2
CVE-2026-2210
D-Link DIR-823X set_filtering sub_4211C8 os command injection
7.2
CVE-2026-2175
D-Link DIR-823X set_upnp sub_420618 os command injection
7.2
CVE-2026-2157
D-Link DIR-823X set_static_route_table sub_4175CC os command injection