CVE-2026-82593

CRITICALPre-NVD 9.99.9—
EchelonGraph scoreHIGH confidence

Score 9.9 from GitHub Security Advisory (severity: HIGH) published 2026-08-31. a secondary CVSS source baseline 9.9; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
9.9EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.9Exploit: Elevated riskExposed: 0

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

A flaw has been found in D-Link DIR-825M 1.1.8. This impacts the function sub_41802C of the file /boafrm/formLtefotaUpgradeFibocom of the component LTE Module Firmware Upgrade. This manipulation of the argument fota_url causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been published and may be used.

CVSS v3
9.9
EG Score
9.9(high)
EG Risk
61(Track*)
EG Risk 61/100SSVC: 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
Severity99% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
1%
EPSS %ILE
43%
KEV
Not listed

Published

August 30, 2026

Last Modified

September 1, 2026

Advisory Details (2)

Auto-updated Sep 15, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

Smart Home, SMB and Enterprise solutions | D-Link

https://www.dlink.com/
generic🟡 PoC Available

IoT_vlu/reports/Dlink/formLtefotaUpgradeFibocom/formLtefotaUpgradeFibocom.md at main · Robots10/IoT_vlu · GitHub

https://github.com/Robots10/IoT_vlu/blob/main/reports/Dlink/formLtefotaUpgradeFibocom/formLtefotaUpgradeFibocom.md

Vendor Advisories for CVE-2026-82593(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 55× in last 7d / 172× 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 172 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-82593?
CVE-2026-82593 is a critical vulnerability published on August 30, 2026. A flaw has been found in D-Link DIR-825M 1.1.8. This impacts the function sub41802C of the file /boafrm/formLtefotaUpgradeFibocom of the component LTE Module Firmware Upgrade. This manipulation of the argument fotaurl causes stack-based buffer overflow. The attack is possible to be carried out…
When was CVE-2026-82593 disclosed?
CVE-2026-82593 was first published in the National Vulnerability Database on August 30, 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-2026-82593 actively exploited?
CVE-2026-82593 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 57.5% of all scored CVEs.
What is the CVSS score of CVE-2026-82593?
CVE-2026-82593 has a CVSS v3 base score of 9.9 (NVD).
How do I remediate CVE-2026-82593?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-82593, 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

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