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UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-4184

A vulnerability was detected in D-Link DIR-816 1.10CNB05.

HIGH 8.9EPSS 1.18%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.18%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A vulnerability was detected in D-Link DIR-816 1.10CNB05. Affected by this vulnerability is an unknown functionality of the file /goform/form2Wl5BasicSetup.cgi of the component goahead. Performing a manipulation of the argument pskValue results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

CVSS 4.0
8.9 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/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
1.18% probability · 66th percentile
CISA KEV
Not listed
Weakness
CWE-119, CWE-121, CWE-787
Affected
dlink/dir-816 firmware
Source
cna@vuldb.com

References

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