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
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 9.8Exploit: NoneExposed: 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
34.0%
KEV
Not listed

Published

May 29, 2026

Last Modified

July 21, 2026

Advisory Details (2)

Auto-updated Jun 20, 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 10× in last 7d / 85× 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 221 total refreshes for this CVE.

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

Related CVEs(same CWE)

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 34.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
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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