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Public proof of concept

CVE-2025-4448

A public proof of concept exists; no exploitation attested.

  • Published2025-05-09
  • WeaknessCWE-119 · CWE-120

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A vulnerability classified as critical was found in D-Link DIR-619L 2.04B04. This vulnerability affects the function formEasySetupWizard. The manipulation of the argument curTime leads to buffer overflow. The attack can be initiated remotely. The vendor was contacted early about this disclosure. This vulnerability only affects products that are no longer supported by the maintainer.

Timeline

dates in UTC
  1. 2025-05-0901:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2025-4448?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2025-4448?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Dlink dir-619l firmwareversion to verify
BranchAffectedFixed in
2.4= 2.04b04no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • CISA-ADPSSVC decisionpoc2025-05-09
  • OpenCVESSVC decisionpoc—
  • CNACVSS 4.08.7read 2026-10-23
  • CNACVSS 3.18.8read 2026-10-23
  • NVDCVSS 3.19.8read 2026-10-23
  • CNACVSS 2.09read 2026-10-23
  • CNAweakness (CWE)CWE-119, CWE-120read 2026-10-23
  • NVDweakness (CWE)CWE-120read 2026-10-23
  • FIRST EPSSEPSS score3.0 %2026-10-23

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 4.0 vector
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
Published
2025-05-09
Last Modified
2026-06-17
NVD status
Analyzed

Frequently asked questions

What is CVE-2025-4448?

A vulnerability classified as critical was found in D-Link DIR-619L 2.04B04. This vulnerability affects the function formEasySetupWizard. The manipulation of the argument curTime leads to buffer overflow. The attack can be initiated remotely. The vendor was contacted early about this disclosure. This vulnerability only affects products that are no longer supported by the maintainer.

Is CVE-2025-4448 actively exploited?

A proof-of-concept exploit exists for CVE-2025-4448, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2025-4448?

CVE-2025-4448 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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