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
Trending — 3 sources updated this week
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)
EPSS
33.6%
KEV
Not listed

Published

May 29, 2026

Last Modified

June 16, 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 22× in last 7d / 155× 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 366 total refreshes for this CVE.

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

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 June 16, 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 33.6% 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.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-7786

Explore →

Is Your Infrastructure Affected by CVE-2026-7786?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs