CVE-2025-41277

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-05-29. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.8Exploit: None knownExposed: 0

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

Nozomi Networks Labs identified a CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in the Console WebUI in Waterfall WF-500 TX and RX Hosts in version 7.9.1.0 R2502171040 that allows remote unauthenticated attackers to execute arbitrary operating system commands on the device.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
60(Track)
EG Risk 60/100SSVC: 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
Severity98% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
70%
KEV
Not listed

Published

May 29, 2026

Last Modified

July 21, 2026

Advisory Details (1)

Auto-updated Aug 29, 2026
No patch confirmed yet.
generic

CVE-2025-41277 | Nozomi Networks Labs

https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2025-41277

Vendor Advisories for CVE-2025-41277(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 6× in last 7d / 107× 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 381 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2025-41277?
CVE-2025-41277 is a critical vulnerability published on May 29, 2026. Nozomi Networks Labs identified a CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in the Console WebUI in Waterfall WF-500 TX and RX Hosts in version 7.9.1.0 R2502171040 that allows remote unauthenticated attackers to execute arbitrary operating…
When was CVE-2025-41277 disclosed?
CVE-2025-41277 was first published in the National Vulnerability Database on May 29, 2026, with the most recent update on July 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-41277 actively exploited?
CVE-2025-41277 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 29.7% of all scored CVEs.
What is the CVSS score of CVE-2025-41277?
CVE-2025-41277 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2025-41277?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-41277, 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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