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CVE-2025-4449

29
FAUCET Score

CVE-2025-4449 is a critical buffer overflow vulnerability (CVSS 9.8) in the formEasySetupWizard3 function of D-Link DIR-619L 2.04B04 firmware, allowing remote attackers to achieve full compromise of affected devices. This flaw, stemming from improper handling of the 'wan_connected' argument, impacts an end-of-life product line. While no public exploits or active exploitation have been observed, and community discussion is minimal, the high severity warrants attention for users still operating these unsupported devices.

Impacted Technologies

VendorProductVersion(s)CPE
2.04b04CPE matchmatch criteria
cpe:2.3:o:dlink:dir-619l_firmware:2.04b04:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

8.7HIGH

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
VS Confidentiality
HIGH
VS Integrity
HIGH
VS Availability
HIGH
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
2.45%
Probability of exploitation in next 30 days
EPSS Percentile
82.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0245 is in the 73rd percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / jylsec/vuldb/blob/main/D-Link/dlink_dir619l/Buffer_overflow-formEasySetupWizard3-wan_connected/README.md
Broken Link
vuldb.com
Permissions Required
vuldb.com
Third Party AdvisoryVDB Entry
vuldb.com
Third Party AdvisoryVDB Entry
dlink.com
Product