CVE-2026-82971

CRITICALPre-NVD 10.010.0—
EchelonGraph scoreHIGH confidence

Score 10.0 from GitHub Security Advisory (severity: CRITICAL) published 2026-09-01. a secondary CVSS source baseline 10.0; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
10.0EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 2%CVSS: 10.0Exploit: Elevated riskExposed: 0

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

A vulnerability was determined in QVidium Opera11 3.3.2a26-Ax4x-opera11. This affects an unknown part of the file /cgi-bin/net_tr.cgi of the component CGI Script. This manipulation of the argument ipaddr causes command injection. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. The vendor explains: "QVidium has now closed its doors and no longer will be able to sell products or provide support." This vulnerability only affects products that are no longer supported by the maintainer.

CVSS v3
10.0
EG Score
10.0(high)
EG Risk
76(Attend)
EG Risk 76/100SSVC: Attend

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
Severity100% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
2%
EPSS %ILE
79%
KEV
Not listed

Published

August 31, 2026

Last Modified

September 1, 2026

References (5)

Vendor Advisories for CVE-2026-82971(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 52× in last 7d / 154× 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 154 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-82971?
CVE-2026-82971 is a critical vulnerability published on August 31, 2026. A vulnerability was determined in QVidium Opera11 3.3.2a26-Ax4x-opera11. This affects an unknown part of the file /cgi-bin/net_tr.cgi of the component CGI Script. This manipulation of the argument ipaddr causes command injection. The attack may be initiated remotely. The exploit has been publicly…
When was CVE-2026-82971 disclosed?
CVE-2026-82971 was first published in the National Vulnerability Database on August 31, 2026, with the most recent update on September 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-82971 actively exploited?
CVE-2026-82971 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2% probability of exploitation in the next 30 days, which ranks it in the top 21.5% of all scored CVEs.
What is the CVSS score of CVE-2026-82971?
CVE-2026-82971 has a CVSS v3 base score of 10.0 (NVD).
How do I remediate CVE-2026-82971?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-82971, 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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