CVE-2026-82616

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 vulnerability was found in TOTOLINK NR1800X 9.1.0u.6681_B20230703. Impacted is the function setUploadSetting of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument FileName results in stack-based buffer overflow. The attack can be executed remotely. The exploit has been made public and could 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
48%
KEV
Not listed

Published

August 31, 2026

Last Modified

September 1, 2026

Advisory Details (2)

Auto-updated Sep 16, 2026
No patch confirmed yet.
generic

TOTOLINK | Wi-Fi 7, Mesh, 5G & Enterprise Networking

https://www.totolink.net/
generic

-/TOTOlink/totolink setUploadSetting栈溢出.pdf at main · lxiansheng488-bit/- · GitHub

https://github.com/lxiansheng488-bit/-/blob/main/TOTOlink/totolink%20setUploadSetting%E6%A0%88%E6%BA%A2%E5%87%BA.pdf

Vendor Advisories for CVE-2026-82616(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 54× in last 7d / 166× 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 166 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-82616?
CVE-2026-82616 is a critical vulnerability published on August 31, 2026. A vulnerability was found in TOTOLINK NR1800X 9.1.0u.6681_B20230703. Impacted is the function setUploadSetting of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument FileName results in stack-based buffer overflow. The attack can be executed remotely. The exploit has been made public…
When was CVE-2026-82616 disclosed?
CVE-2026-82616 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-2026-82616 actively exploited?
CVE-2026-82616 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 52.0% of all scored CVEs.
What is the CVSS score of CVE-2026-82616?
CVE-2026-82616 has a CVSS v3 base score of 9.9 (NVD).
How do I remediate CVE-2026-82616?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-82616, 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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