What is CVE-2025-4449?

CVE-2025-4449 is a high-severity vulnerability in D-link Dir-619l, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2025-05-09.

How severe is CVE-2025-4449?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in D-link Dir-619l

CVE-2025-4449

A vulnerability, which was classified as critical, has been found in D-Link DIR-619L 2.04B04. This issue affects the function formEasySetupWizard3. The manipulation of the argument wan_connected leads to buffer overflow. The attack may be…

Vulnerability class: Buffer Overflow

EPSS: 0.009 (76.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

D-link Dir-619l — versions 2.04B04

Weakness classification (CWE)

References

VDB-308063 | D-Link DIR-619L formEasySetupWizard3 buffer overflow (vdb-entry, technical-description)
VDB-308063 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
Submit #558358 | D-Link DIR-619L 2.04B04 Buffer Overflow (third-party-advisory)
github.com/jylsec/vuldb/blob/main/D-Link/dlink_dir619l/Buffer_overflow-formEasy… (related)
www.dlink.com/ (broken-link, product)

Frequently asked questions

What is CVE-2025-4449?: CVE-2025-4449 is a high-severity vulnerability in D-link Dir-619l, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2025-05-09.
How severe is CVE-2025-4449?: High severity. CVSS v3 base score is 8.8 out of 10.