CVE-2026-7786

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

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

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
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.

Jinan USR IOT Technology Limited (PUSR) USR-W610 RS232/485 to Wi-Fi/Ethernet Converter device firmware contains plaintext administrative credentials embedded in the firmware image. These credentials can be extracted through firmware analysis and used to authenticate to device services.

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
35%
KEV
Not listed

Published

May 29, 2026

Last Modified

July 21, 2026

Advisory Details (2)

Auto-updated Aug 29, 2026
Patch available. Sources: cisa.
cisa Patch Available

Jinan USR IOT Technology Limited (PUSR) USR-W610 RS232/485 to Wi-Fi/Ethernet Converter | CISA

https://www.cisa.gov/news-events/ics-advisories/icsa-26-148-02
generic

CSAF/csaf_files/OT/white/2026/icsa-26-148-02.json at develop · cisagov/CSAF · GitHub

https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-148-02.json

Vendor Advisories for CVE-2026-7786(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 8× in last 7d / 117× 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 387 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-7786?
CVE-2026-7786 is a critical vulnerability published on May 29, 2026. Jinan USR IOT Technology Limited (PUSR) USR-W610 RS232/485 to Wi-Fi/Ethernet Converter device firmware contains plaintext administrative credentials embedded in the firmware image. These credentials can be extracted through firmware analysis and used to authenticate to device services.
When was CVE-2026-7786 disclosed?
CVE-2026-7786 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-2026-7786 actively exploited?
CVE-2026-7786 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 65.3% of all scored CVEs.
What is the CVSS score of CVE-2026-7786?
CVE-2026-7786 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-7786?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-7786, 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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