High severity · published Sep 18, 2025
CVE-2025-10634
D-Link DIR-823X Environment Variable goahead sub_412E7C command injection
8.8
CVSS
6.9%
EPSS
No
On KEV
Description
A weakness has been identified in D-Link DIR-823X 240126/240802/250416. The impacted element is the function sub_412E7C of the file /usr/sbin/goahead of the component Environment Variable Handler. This manipulation of the argument terminal_addr/server_ip/server_port causes command injection. The attack can be initiated remotely. The exploit has been made available to the public and could be exploited.
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)6.9% · higher than 94% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DI
DIR-823X · D-Link
240126; 240802; 250416 · source: vendor
DF
Dir-823x Firmware · Dlink
240126; 240802; 250416 · source: NVD
Affected product
DI
DIR-823X
D-Link
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