CVE-2018-25366

HIGHNVD 8.48.4—
EchelonGraph scoreMEDIUM confidence

Score 8.4 from GitHub Security Advisory (severity: HIGH) published 2026-05-26. NVD baseline CVSS 8.4; sources differ by 0.0.

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

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

CuteFTP 5.0 XP contains a buffer overflow vulnerability that allows local attackers to execute arbitrary code by injecting malicious payload into the Site Manager label field. Attackers can craft a payload exceeding 520 bytes that overwrites the return address and executes shellcode when a shortcut is created and launched.

CVSS v3
8.4
EG Score
8.4(medium)
EG Risk
54(Track*)
EG Risk 54/100SSVC: Track*

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity84% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
0%
EPSS %ILE
8%
KEV
Not listed

Published

May 25, 2026

Last Modified

July 23, 2026

Advisory Details (2)

Auto-updated Jun 2, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

CuteFTP 5.0 XP Buffer Overflow via Site Manager Label Field | Advisories | VulnCheck

https://www.vulncheck.com/advisories/cuteftp-xp-buffer-overflow-via-site-manager-label-field
generic🟡 PoC Available

CuteFTP 5.0 - Buffer Overflow - Windows_x86 local Exploit

https://www.exploit-db.com/exploits/45259

Vendor Advisories for CVE-2018-25366(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 5× in last 7d / 60× 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 222 total refreshes for this CVE.

  1. 2026-09-04 13:56 UTCEPSS rescore
  2. 2026-09-04 05:02 UTCEPSS rescore
  3. 2026-09-02 14:07 UTCEPSS rescore
  4. 2026-09-01 13:49 UTCEPSS rescore
  5. 2026-09-01 03:32 UTCEPSS rescore
  6. 2026-08-28 21:36 UTCEPSS rescore
  7. 2026-08-27 14:21 UTCEPSS rescore
  8. 2026-08-26 14:42 UTCEPSS rescore
  9. 2026-08-25 13:44 UTCEPSS rescore
  10. 2026-08-23 16:33 UTCEG score recompute
  11. 2026-08-23 16:33 UTCGHSA enrichment
  12. 2026-08-21 23:45 UTCEPSS rescore
  13. 2026-08-21 21:34 UTCEG score recompute
  14. 2026-08-21 21:34 UTCGHSA enrichment
  15. 2026-08-20 22:51 UTCEPSS rescore
  16. 2026-08-20 18:26 UTCEG score recompute
  17. 2026-08-20 18:26 UTCGHSA enrichment
  18. 2026-08-19 17:00 UTCEPSS rescore
  19. 2026-08-18 13:44 UTCEPSS rescore
  20. 2026-08-17 13:43 UTCEPSS rescore
  21. 2026-08-17 09:39 UTCGHSA enrichment
  22. 2026-08-16 16:46 UTCEG score recompute
  23. 2026-08-16 16:46 UTCGHSA enrichment
  24. 2026-08-16 14:51 UTCEPSS rescore
  25. 2026-08-16 03:13 UTCEG score recompute
Show 75 more
  1. 2026-08-16 03:13 UTCGHSA enrichment
  2. 2026-08-16 02:10 UTCEPSS rescore
  3. 2026-08-15 03:01 UTCEG score recompute
  4. 2026-08-15 03:01 UTCGHSA enrichment
  5. 2026-08-15 01:26 UTCEPSS rescore
  6. 2026-08-14 14:13 UTCGHSA enrichment
  7. 2026-08-14 01:48 UTCEG score recompute
  8. 2026-08-14 01:48 UTCGHSA enrichment
  9. 2026-08-13 21:56 UTCEPSS rescore
  10. 2026-08-13 10:42 UTCGHSA enrichment
  11. 2026-08-12 22:13 UTCEG score recompute
  12. 2026-08-12 22:13 UTCGHSA enrichment
  13. 2026-08-12 13:46 UTCEPSS rescore
  14. 2026-08-12 09:48 UTCGHSA enrichment
  15. 2026-08-11 15:23 UTCEG score recompute
  16. 2026-08-11 15:23 UTCGHSA enrichment
  17. 2026-08-11 02:21 UTCEG score recompute
  18. 2026-08-11 02:21 UTCGHSA enrichment
  19. 2026-08-10 13:55 UTCGHSA enrichment
  20. 2026-08-10 01:26 UTCEG score recompute
  21. 2026-08-10 01:25 UTCGHSA enrichment
  22. 2026-08-09 13:43 UTCEPSS rescore
  23. 2026-08-09 13:00 UTCGHSA enrichment
  24. 2026-08-09 00:35 UTCEG score recompute
  25. 2026-08-09 00:35 UTCGHSA enrichment
  26. 2026-08-08 16:32 UTCEPSS rescore
  27. 2026-08-08 11:20 UTCGHSA enrichment
  28. 2026-08-07 22:55 UTCEG score recompute
  29. 2026-08-07 22:55 UTCGHSA enrichment
  30. 2026-08-07 16:23 UTCEPSS rescore
  31. 2026-08-07 10:29 UTCGHSA enrichment
  32. 2026-08-06 22:04 UTCEG score recompute
  33. 2026-08-06 22:04 UTCGHSA enrichment
  34. 2026-08-06 13:42 UTCEPSS rescore
  35. 2026-08-06 09:34 UTCGHSA enrichment
  36. 2026-08-05 21:07 UTCEG score recompute
  37. 2026-08-05 21:07 UTCGHSA enrichment
  38. 2026-08-05 19:13 UTCEPSS rescore
  39. 2026-08-04 15:05 UTCEPSS rescore
  40. 2026-08-04 05:23 UTCGHSA enrichment
  41. 2026-08-03 16:44 UTCEG score recompute
  42. 2026-08-03 16:44 UTCGHSA enrichment
  43. 2026-08-02 17:46 UTCGHSA enrichment
  44. 2026-08-02 05:20 UTCEG score recompute
  45. 2026-08-02 05:20 UTCGHSA enrichment
  46. 2026-08-02 02:23 UTCEPSS rescore
  47. 2026-08-01 16:54 UTCEG score recompute
  48. 2026-08-01 16:54 UTCGHSA enrichment
  49. 2026-07-30 16:24 UTCEPSS rescore
  50. 2026-07-30 01:27 UTCEPSS rescore
  51. 2026-07-29 17:12 UTCEG score recompute
  52. 2026-07-29 17:12 UTCGHSA enrichment
  53. 2026-07-28 15:32 UTCEPSS rescore
  54. 2026-07-26 14:51 UTCEPSS rescore
  55. 2026-07-26 14:51 UTCEPSS rescore
  56. 2026-07-26 07:59 UTCEG score recompute
  57. 2026-07-26 07:59 UTCGHSA enrichment
  58. 2026-07-25 14:14 UTCEPSS rescore
  59. 2026-07-24 14:14 UTCEPSS rescore
  60. 2026-07-24 14:14 UTCEPSS rescore
  61. 2026-07-23 14:15 UTCEPSS rescore
  62. 2026-07-23 01:36 UTCEG score recompute
  63. 2026-07-22 22:16 UTCEG score recompute
  64. 2026-07-22 14:05 UTCEPSS rescore
  65. 2026-07-20 17:04 UTCEPSS rescore
  66. 2026-07-20 17:04 UTCEPSS rescore
  67. 2026-07-19 14:28 UTCEPSS rescore
  68. 2026-07-19 02:26 UTCEPSS rescore
  69. 2026-07-19 02:26 UTCEPSS rescore
  70. 2026-07-16 16:59 UTCEPSS rescore
  71. 2026-07-16 16:59 UTCEPSS rescore
  72. 2026-07-15 16:55 UTCEPSS rescore
  73. 2026-07-15 16:55 UTCEPSS rescore
  74. 2026-07-15 01:56 UTCEPSS rescore
  75. 2026-07-15 01:56 UTCEPSS rescore

Frequently asked(5)

What is CVE-2018-25366?
CVE-2018-25366 is a high vulnerability published on May 25, 2026. CuteFTP 5.0 XP contains a buffer overflow vulnerability that allows local attackers to execute arbitrary code by injecting malicious payload into the Site Manager label field. Attackers can craft a payload exceeding 520 bytes that overwrites the return address and executes shellcode when a shortcut…
When was CVE-2018-25366 disclosed?
CVE-2018-25366 was first published in the National Vulnerability Database on May 25, 2026, with the most recent update on July 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-25366 actively exploited?
CVE-2018-25366 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 92.1% of all scored CVEs.
What is the CVSS score of CVE-2018-25366?
CVE-2018-25366 has a CVSS v3 base score of 8.4 (NVD).
How do I remediate CVE-2018-25366?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-25366, 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.

Dependency Blast Radius

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