CVE-2018-25304

HIGHNVD 8.48.4—
EchelonGraph scoreMEDIUM confidence

Score 8.4 from GitHub Security Advisory (severity: HIGH) published 2026-04-29. NVD baseline CVSS 8.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
8.4
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.4Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Free Download Manager 2.0 Build 417 contains a local buffer overflow vulnerability in the URL import functionality that allows attackers to trigger a structured exception handler (SEH) chain exploitation. Attackers can craft a malicious URL file that, when imported through the File > Import > Import lists of downloads menu, causes a buffer overflow in the Location header response that overwrites the SEH chain and executes arbitrary code.

CVSS v3
8.4
EG Score
8.4(medium)
EPSS
4.9%
KEV
Not listed

Published

April 29, 2026

Last Modified

May 26, 2026

Advisory Details (3)

Auto-updated Apr 29, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

Free Download Manager 2.0 Built 417 Local Buffer Overflow SEH | Advisories | VulnCheck

https://www.vulncheck.com/advisories/free-download-manager-built-417-local-buffer-overflow-seh
generic🟡 PoC Available

Free Download Manager 2.0 Built 417 - Local Buffer Overflow (SEH) - Windows_x86 local Exploit

https://www.exploit-db.com/exploits/44499
generic

Download Free Download Manager 32-bit varies-with-devices for Windows - Filehippo.com

https://filehippo.com/download_free_download_manager/925/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 9× in last 7d / 49× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 173 total refreshes for this CVE.

  1. 2026-07-15 16:55 UTCEPSS rescore
  2. 2026-07-15 16:55 UTCEPSS rescore
  3. 2026-07-15 01:56 UTCEPSS rescore
  4. 2026-07-15 01:56 UTCEPSS rescore
  5. 2026-07-13 22:27 UTCEPSS rescore
  6. 2026-07-13 22:26 UTCEPSS rescore
  7. 2026-07-13 06:10 UTCEPSS rescore
  8. 2026-07-11 08:24 UTCEPSS rescore
  9. 2026-07-09 19:06 UTCEPSS rescore
  10. 2026-07-08 15:11 UTCEPSS rescore
  11. 2026-07-07 13:42 UTCEPSS rescore
  12. 2026-07-07 13:42 UTCEPSS rescore
  13. 2026-07-06 16:24 UTCEPSS rescore
  14. 2026-07-06 16:24 UTCEPSS rescore
  15. 2026-07-06 02:20 UTCEPSS rescore
  16. 2026-07-05 02:27 UTCEPSS rescore
  17. 2026-07-04 06:28 UTCEPSS rescore
  18. 2026-07-04 06:28 UTCEPSS rescore
  19. 2026-07-02 16:54 UTCEPSS rescore
  20. 2026-07-01 15:03 UTCEPSS rescore
  21. 2026-07-01 15:03 UTCEPSS rescore
  22. 2026-06-30 23:20 UTCEPSS rescore
  23. 2026-06-30 23:19 UTCEPSS rescore
  24. 2026-06-29 14:03 UTCEPSS rescore
  25. 2026-06-28 14:04 UTCEPSS rescore
Show 75 more
  1. 2026-06-28 04:53 UTCEPSS rescore
  2. 2026-06-28 04:53 UTCEPSS rescore
  3. 2026-06-27 03:06 UTCEPSS rescore
  4. 2026-06-27 03:06 UTCEPSS rescore
  5. 2026-06-25 13:47 UTCEPSS rescore
  6. 2026-06-25 13:47 UTCEPSS rescore
  7. 2026-06-24 14:02 UTCEPSS rescore
  8. 2026-06-24 14:02 UTCEPSS rescore
  9. 2026-06-23 21:30 UTCEPSS rescore
  10. 2026-06-23 21:30 UTCEPSS rescore
  11. 2026-06-23 21:30 UTCEPSS rescore
  12. 2026-06-22 14:23 UTCEPSS rescore
  13. 2026-06-21 14:54 UTCEPSS rescore
  14. 2026-06-21 14:54 UTCEPSS rescore
  15. 2026-06-21 01:57 UTCEPSS rescore
  16. 2026-06-21 01:57 UTCEPSS rescore
  17. 2026-06-19 19:23 UTCEPSS rescore
  18. 2026-06-19 19:23 UTCEPSS rescore
  19. 2026-06-18 17:50 UTCEPSS rescore
  20. 2026-06-18 17:50 UTCEPSS rescore
  21. 2026-06-17 17:50 UTCEPSS rescore
  22. 2026-06-17 17:50 UTCEPSS rescore
  23. 2026-06-16 17:50 UTCEPSS rescore
  24. 2026-06-16 17:50 UTCEPSS rescore
  25. 2026-06-15 17:45 UTCEPSS rescore
  26. 2026-06-14 23:15 UTCEPSS rescore
  27. 2026-06-14 23:14 UTCEPSS rescore
  28. 2026-06-14 22:33 UTCEG score recompute
  29. 2026-06-14 22:33 UTCGHSA enrichment
  30. 2026-06-14 09:24 UTCEG score recompute
  31. 2026-06-14 09:24 UTCGHSA enrichment
  32. 2026-06-13 22:58 UTCEPSS rescore
  33. 2026-06-12 23:09 UTCEPSS rescore
  34. 2026-06-12 23:09 UTCEPSS rescore
  35. 2026-06-12 10:29 UTCEG score recompute
  36. 2026-06-12 10:29 UTCGHSA enrichment
  37. 2026-06-11 20:03 UTCEG score recompute
  38. 2026-06-11 20:02 UTCGHSA enrichment
  39. 2026-06-11 13:57 UTCEPSS rescore
  40. 2026-06-11 06:58 UTCEG score recompute
  41. 2026-06-11 06:58 UTCGHSA enrichment
  42. 2026-06-10 22:16 UTCEPSS rescore
  43. 2026-06-10 17:56 UTCEG score recompute
  44. 2026-06-10 17:56 UTCGHSA enrichment
  45. 2026-06-10 13:19 UTCEPSS rescore
  46. 2026-06-10 04:56 UTCEG score recompute
  47. 2026-06-10 04:56 UTCGHSA enrichment
  48. 2026-06-09 15:55 UTCEG score recompute
  49. 2026-06-09 15:55 UTCGHSA enrichment
  50. 2026-06-09 02:55 UTCEG score recompute
  51. 2026-06-09 02:55 UTCGHSA enrichment
  52. 2026-06-08 14:14 UTCEPSS rescore
  53. 2026-06-08 14:14 UTCEPSS rescore
  54. 2026-06-08 12:58 UTCEG score recompute
  55. 2026-06-08 12:58 UTCGHSA enrichment
  56. 2026-06-07 23:57 UTCEG score recompute
  57. 2026-06-07 23:57 UTCGHSA enrichment
  58. 2026-06-07 15:22 UTCEPSS rescore
  59. 2026-06-07 15:22 UTCEPSS rescore
  60. 2026-06-07 10:37 UTCEG score recompute
  61. 2026-06-07 10:37 UTCGHSA enrichment
  62. 2026-06-06 21:37 UTCEG score recompute
  63. 2026-06-06 21:37 UTCGHSA enrichment
  64. 2026-06-06 13:45 UTCEPSS rescore
  65. 2026-06-06 13:45 UTCEPSS rescore
  66. 2026-06-06 08:33 UTCEG score recompute
  67. 2026-06-06 08:33 UTCGHSA enrichment
  68. 2026-06-05 22:45 UTCEPSS rescore
  69. 2026-06-05 22:45 UTCEPSS rescore
  70. 2026-06-05 19:29 UTCEG score recompute
  71. 2026-06-05 19:29 UTCGHSA enrichment
  72. 2026-06-05 06:27 UTCEG score recompute
  73. 2026-06-05 06:27 UTCGHSA enrichment
  74. 2026-06-05 06:08 UTCEPSS rescore
  75. 2026-06-05 06:08 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2018-25304?
CVE-2018-25304 is a high vulnerability published on April 29, 2026. Free Download Manager 2.0 Build 417 contains a local buffer overflow vulnerability in the URL import functionality that allows attackers to trigger a structured exception handler (SEH) chain exploitation. Attackers can craft a malicious URL file that, when imported through the File > Import >…
When was CVE-2018-25304 disclosed?
CVE-2018-25304 was first published in the National Vulnerability Database on April 29, 2026, with the most recent update on May 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-25304 actively exploited?
CVE-2018-25304 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 4.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2018-25304?
CVE-2018-25304 has a CVSS v3 base score of 8.4 (NVD).
How do I remediate CVE-2018-25304?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-25304, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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