CVE-2026-90606

CRITICALPre-NVD 9.99.9—
EchelonGraph scoreHIGH confidence

Score 9.9 from GitHub Security Advisory (severity: HIGH) published 2026-09-14. a secondary CVSS source baseline 9.9; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 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: 0%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 security vulnerability has been detected in Totolink A3002MU Hh-B20211125.1046. This issue affects the function formIpv6Setup of the file /boafrm/formIpv6Setup of the component boa. The manipulation of the argument static_ipv6 leads to buffer overflow. The attack is possible to be carried out remotely. The exploit has been disclosed publicly 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
0%
EPSS %ILE
41%
KEV
Not listed

Published

September 13, 2026

Last Modified

September 15, 2026

Advisory Details (2)

Auto-updated Sep 15, 2026
No patch confirmed yet.
generic

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

https://www.totolink.net/
generic

cuicuishark-sheep-fishIOT/ToTolink/A3002MU/bof-formIpv6Setup.md at main · SunnyYANGyaya/cuicuishark-sheep-fishIOT · GitHub

https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/ToTolink/A3002MU/bof-formIpv6Setup.md

Vendor Advisories for CVE-2026-90606(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 63× in last 7d / 63× 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.

  1. 2026-09-20 10:39 UTCGHSA enrichment
  2. 2026-09-20 06:59 UTCGHSA enrichment
  3. 2026-09-20 02:57 UTCGHSA enrichment
  4. 2026-09-19 23:19 UTCGHSA enrichment
  5. 2026-09-19 19:41 UTCGHSA enrichment
  6. 2026-09-19 16:03 UTCEG score recompute
  7. 2026-09-19 16:03 UTCGHSA enrichment
  8. 2026-09-19 12:25 UTCGHSA enrichment
  9. 2026-09-19 08:47 UTCGHSA enrichment
  10. 2026-09-19 05:07 UTCGHSA enrichment
  11. 2026-09-19 01:28 UTCGHSA enrichment
  12. 2026-09-18 21:49 UTCEG score recompute
  13. 2026-09-18 21:49 UTCGHSA enrichment
  14. 2026-09-18 19:28 UTCEPSS rescore
  15. 2026-09-18 18:11 UTCGHSA enrichment
  16. 2026-09-18 14:24 UTCGHSA enrichment
  17. 2026-09-18 10:46 UTCGHSA enrichment
  18. 2026-09-18 07:08 UTCGHSA enrichment
  19. 2026-09-18 03:30 UTCGHSA enrichment
  20. 2026-09-17 23:52 UTCGHSA enrichment
  21. 2026-09-17 19:34 UTCEG score recompute
  22. 2026-09-17 19:34 UTCGHSA enrichment
  23. 2026-09-17 19:32 UTCEPSS rescore
  24. 2026-09-17 15:47 UTCGHSA enrichment
  25. 2026-09-17 12:09 UTCGHSA enrichment
Show 38 more
  1. 2026-09-17 08:30 UTCGHSA enrichment
  2. 2026-09-17 04:52 UTCGHSA enrichment
  3. 2026-09-17 01:14 UTCGHSA enrichment
  4. 2026-09-16 21:36 UTCGHSA enrichment
  5. 2026-09-16 17:58 UTCEG score recompute
  6. 2026-09-16 17:58 UTCGHSA enrichment
  7. 2026-09-16 14:09 UTCEPSS rescore
  8. 2026-09-16 13:49 UTCGHSA enrichment
  9. 2026-09-16 10:12 UTCGHSA enrichment
  10. 2026-09-16 06:34 UTCEG score recompute
  11. 2026-09-16 06:33 UTCGHSA enrichment
  12. 2026-09-16 05:15 UTCEPSS rescore
  13. 2026-09-16 02:56 UTCGHSA enrichment
  14. 2026-09-15 23:18 UTCGHSA enrichment
  15. 2026-09-15 19:40 UTCEG score recompute
  16. 2026-09-15 19:40 UTCGHSA enrichment
  17. 2026-09-15 19:32 UTCNVD updateCVSS v4 → 8.6
  18. 2026-09-15 18:25 UTCEG score recompute
  19. 2026-09-15 18:25 UTCGHSA enrichment
  20. 2026-09-15 18:22 UTCMITRE cvelistV5CVSS v4 → 9.4
  21. 2026-09-15 15:17 UTCGHSA enrichment
  22. 2026-09-15 11:39 UTCGHSA enrichment
  23. 2026-09-15 08:01 UTCGHSA enrichment
  24. 2026-09-15 04:23 UTCEG score recompute
  25. 2026-09-15 04:23 UTCGHSA enrichment
  26. 2026-09-15 03:12 UTCEPSS rescore
  27. 2026-09-15 00:44 UTCGHSA enrichment
  28. 2026-09-14 21:06 UTCGHSA enrichment
  29. 2026-09-14 18:28 UTCGHSA enrichment
  30. 2026-09-14 14:50 UTCGHSA enrichment
  31. 2026-09-14 11:12 UTCGHSA enrichment
  32. 2026-09-14 07:35 UTCGHSA enrichment
  33. 2026-09-14 03:57 UTCEG score recompute
  34. 2026-09-14 03:57 UTCGHSA enrichment
  35. 2026-09-14 00:20 UTCEG score recompute
  36. 2026-09-14 00:19 UTCNVD updateCVSS v4 → 8.6
  37. 2026-09-13 23:50 UTCEG score recompute
  38. 2026-09-13 23:49 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-90606?
CVE-2026-90606 is a critical vulnerability published on September 13, 2026. A security vulnerability has been detected in Totolink A3002MU Hh-B20211125.1046. This issue affects the function formIpv6Setup of the file /boafrm/formIpv6Setup of the component boa. The manipulation of the argument static_ipv6 leads to buffer overflow. The attack is possible to be carried out…
When was CVE-2026-90606 disclosed?
CVE-2026-90606 was first published in the National Vulnerability Database on September 13, 2026, with the most recent update on September 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-90606 actively exploited?
CVE-2026-90606 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 58.6% of all scored CVEs.
What is the CVSS score of CVE-2026-90606?
CVE-2026-90606 has a CVSS v3 base score of 9.9 (NVD).
How do I remediate CVE-2026-90606?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-90606, 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-2026-90606

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