SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-2084

A weakness has been identified in D-Link DIR-823X 250416.

HIGH 7.3EPSS 4.00%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (4.00%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A weakness has been identified in D-Link DIR-823X 250416. This impacts an unknown function of the file /goform/set_language. Executing a manipulation of the argument langSelection can lead to os command injection. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks.

CVSS 4.0
7.3 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS
4.00% probability · 90th percentile
CISA KEV
Not listed
Weakness
CWE-77, CWE-78
Affected
dlink/dir-823x firmware
Source
cna@vuldb.com

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.