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
8.4
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.

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
8.1%
KEV
Not listed

Published

May 25, 2026

Last Modified

May 26, 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 10× in last 7d / 55× 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 136 total refreshes for this CVE.

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

Related CVEs(same CWE)

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 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-2018-25366 actively exploited?
CVE-2018-25366 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 8.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
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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