CVE-2018-25226

MEDIUMNVD 5.56.2▲
EchelonGraph scoreMEDIUM confidence

Score 6.2 from GitHub Security Advisory published 2026-03-30. NVD baseline CVSS 5.5; sources differ by 0.7.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.2EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.5Exploit: None knownExposed: 0

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

FTPShell Server 6.83 contains a buffer overflow vulnerability that allows local attackers to crash the application by supplying an excessively long string in the account name field. Attackers can trigger a denial of service by pasting a 417-byte payload into the 'Account name to ban' parameter within the Manage FTP Accounts interface.

CVSS v3
5.5
EG Score
6.2(medium)
EG Risk
32(Track)
EG Risk 32/100SSVC: 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
Severity62% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
13%
KEV
Not listed

Published

March 30, 2026

Last Modified

June 17, 2026

Advisory Details (3)

Auto-updated Aug 6, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

FTPShell Server 6.83 Denial of Service via Account Name | Advisories | VulnCheck

https://www.vulncheck.com/advisories/ftpshell-server-denial-of-service-via-account-name
generic🟡 PoC Available

FTPShell Server 6.83 - 'Account name to ban' Denial of Service (PoC) - Windows dos Exploit

https://www.exploit-db.com/exploits/46430
generic
http://www.ftpshell.com/index.htm

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 6× in last 7d / 22× 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.

  1. 2026-09-19 15:36 UTCEPSS rescore
  2. 2026-09-18 19:22 UTCEPSS rescore
  3. 2026-09-17 19:22 UTCEPSS rescore
  4. 2026-09-16 05:06 UTCEPSS rescore
  5. 2026-09-15 03:05 UTCEPSS rescore
  6. 2026-09-13 16:42 UTCEPSS rescore
  7. 2026-09-12 14:56 UTCEPSS rescore
  8. 2026-09-11 14:47 UTCEPSS rescore
  9. 2026-09-11 09:32 UTCEPSS rescore
  10. 2026-09-07 15:57 UTCEPSS rescore
  11. 2026-09-06 13:43 UTCEPSS rescore
  12. 2026-09-05 15:24 UTCEPSS rescore
  13. 2026-09-04 13:56 UTCEPSS rescore
  14. 2026-09-04 05:02 UTCEPSS rescore
  15. 2026-09-02 14:07 UTCEPSS rescore
  16. 2026-09-01 13:49 UTCEPSS rescore
  17. 2026-09-01 03:32 UTCEPSS rescore
  18. 2026-08-28 21:36 UTCEPSS rescore
  19. 2026-08-27 14:21 UTCEPSS rescore
  20. 2026-08-26 14:42 UTCEPSS rescore
  21. 2026-08-25 13:44 UTCEPSS rescore
  22. 2026-08-21 23:45 UTCEPSS rescore
  23. 2026-08-20 22:51 UTCEPSS rescore
  24. 2026-08-19 17:00 UTCEPSS rescore
  25. 2026-08-18 13:44 UTCEPSS rescore
Show 41 more
  1. 2026-08-17 13:43 UTCEPSS rescore
  2. 2026-08-16 14:51 UTCEPSS rescore
  3. 2026-08-16 09:49 UTCEG score recompute
  4. 2026-08-16 09:49 UTCGHSA enrichment
  5. 2026-08-16 02:10 UTCEPSS rescore
  6. 2026-08-15 01:26 UTCEPSS rescore
  7. 2026-08-14 06:11 UTCEG score recompute
  8. 2026-08-14 06:11 UTCGHSA enrichment
  9. 2026-08-13 21:56 UTCEPSS rescore
  10. 2026-08-13 00:18 UTCEG score recompute
  11. 2026-08-13 00:18 UTCGHSA enrichment
  12. 2026-08-12 13:46 UTCEPSS rescore
  13. 2026-08-12 01:59 UTCEG score recompute
  14. 2026-08-12 01:59 UTCGHSA enrichment
  15. 2026-08-11 03:41 UTCEG score recompute
  16. 2026-08-11 03:41 UTCGHSA enrichment
  17. 2026-08-10 04:02 UTCEG score recompute
  18. 2026-08-10 04:02 UTCGHSA enrichment
  19. 2026-08-09 13:43 UTCEPSS rescore
  20. 2026-08-09 05:44 UTCEG score recompute
  21. 2026-08-09 05:44 UTCGHSA enrichment
  22. 2026-08-08 16:32 UTCEPSS rescore
  23. 2026-08-07 16:23 UTCEPSS rescore
  24. 2026-08-07 15:56 UTCEG score recompute
  25. 2026-08-07 15:56 UTCGHSA enrichment
  26. 2026-08-06 13:42 UTCEPSS rescore
  27. 2026-08-06 00:41 UTCEG score recompute
  28. 2026-08-06 00:41 UTCGHSA enrichment
  29. 2026-08-05 19:13 UTCEPSS rescore
  30. 2026-08-04 15:05 UTCEPSS rescore
  31. 2026-08-03 23:00 UTCEG score recompute
  32. 2026-08-03 23:00 UTCGHSA enrichment
  33. 2026-08-02 15:04 UTCEG score recompute
  34. 2026-08-02 15:04 UTCGHSA enrichment
  35. 2026-08-02 02:23 UTCEPSS rescore
  36. 2026-08-01 04:12 UTCEPSS rescore
  37. 2026-07-30 16:24 UTCEPSS rescore
  38. 2026-07-30 01:27 UTCEPSS rescore
  39. 2026-07-28 15:32 UTCEPSS rescore
  40. 2026-07-27 14:17 UTCEG score recompute
  41. 2026-07-27 14:17 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2018-25226?
CVE-2018-25226 is a medium vulnerability published on March 30, 2026. FTPShell Server 6.83 contains a buffer overflow vulnerability that allows local attackers to crash the application by supplying an excessively long string in the account name field. Attackers can trigger a denial of service by pasting a 417-byte payload into the 'Account name to ban' parameter…
When was CVE-2018-25226 disclosed?
CVE-2018-25226 was first published in the National Vulnerability Database on March 30, 2026, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-25226 actively exploited?
CVE-2018-25226 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 87.0% of all scored CVEs.
What is the CVSS score of CVE-2018-25226?
CVE-2018-25226 has a CVSS v3 base score of 5.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 6.2.
How do I remediate CVE-2018-25226?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-25226, 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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