CVE-2026-61884

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-07-25. a secondary CVSS source baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.8Exploit: None knownExposed: 0

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

The Tycon Systems TPDIN-Monitor-WEB2 ships without HTTP credentials configured, intended for an installer to set them on first use. On firmware 2.4.4 and earlier, a unit left in this unconfigured state serves the web management interface without requiring any login. An attacker with network access to such a unit can reach full device controls, including power relay management, device reboot, remote access service configuration, and network settings, which could allow disruption of connected infrastructure or physical damage to equipment.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
59(Track)
EG Risk 59/100SSVC: 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%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
38%
KEV
Not listed

Published

July 24, 2026

Last Modified

September 4, 2026

Advisory Details (3)

Auto-updated Sep 11, 2026
Patch available. Sources: cisa.
cisa Patch Available

Tycon Systems TPDIN-Monitor-WEB2 (Update A) | CISA

https://www.cisa.gov/news-events/ics-advisories/icsa-26-202-01
generic

CSAF/csaf_files/OT/white/2026/icsa-26-202-01.json at develop · cisagov/CSAF · GitHub

https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-202-01.json
generic

Contact Us - Tycon Systems Inc.

https://www.tyconsystems.com/contact

Vendor Advisories for CVE-2026-61884(1)

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

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 32× in last 7d / 158× 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 339 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-61884?
CVE-2026-61884 is a critical vulnerability published on July 24, 2026. The Tycon Systems TPDIN-Monitor-WEB2 ships without HTTP credentials configured, intended for an installer to set them on first use. On firmware 2.4.4 and earlier, a unit left in this unconfigured state serves the web management interface without requiring any login. An attacker with network access…
When was CVE-2026-61884 disclosed?
CVE-2026-61884 was first published in the National Vulnerability Database on July 24, 2026, with the most recent update on September 4, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-61884 actively exploited?
CVE-2026-61884 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 62.2% of all scored CVEs.
What is the CVSS score of CVE-2026-61884?
CVE-2026-61884 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-61884?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-61884, 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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