CVE-2026-100896

CRITICALPre-NVD 9.99.9—
EchelonGraph scoreHIGH confidence

Score 9.9 from GitHub Security Advisory (severity: HIGH) published 2026-09-28. 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 mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1.9%CVSS: 9.9Exploit: Elevated riskExposed services: Not assessed

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

A weakness has been identified in TOTOLINK N150RT 3.4.0-B20201030. The affected element is the function system of the file /boafrm/formWlSiteSurvey of the component Web Management Interface. This manipulation of the argument wlanif causes os command injection. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks.

CVSS v3
9.9
EG Score
9.9CRITICALhigh confidence
EG Risk
61
EG Risk 61/100CISA SSVC

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%
CISA SSVC: Track at low, Track* at medium and Attend at high mission impact.
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.
EPSS PROB
1.9%
EPSS %ILE
78th
KEV
Not listed

CISA SSVCTrack at low, Track* at medium and Attend at high mission impact.

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.

Exploitation public PoC (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

September 28, 2026

Last Modified

September 28, 2026

Advisory Details (2)

Auto-updated Sep 28, 2026
No patch confirmed yet.
generic

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

https://www.totolink.net/
generic

TOTOLINK N150RT V3.4.0-B20201030 - Command Injection in /boafrm/formWlSiteSurvey · GitHub

https://gist.github.com/H3rmesk1t/c071a62375f38b629f67653428a8f25a

Vendor Advisories for CVE-2026-100896(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 57× in last 7d / 57× 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. 2026-10-04 09:40 UTCGHSA enrichment
  2. 2026-10-04 05:13 UTCGHSA enrichment
  3. 2026-10-04 00:50 UTCGHSA enrichment
  4. 2026-10-03 20:27 UTCGHSA enrichment
  5. 2026-10-03 16:04 UTCEG score recompute
  6. 2026-10-03 16:04 UTCGHSA enrichment
  7. 2026-10-03 14:25 UTCEPSS rescore
  8. 2026-10-03 11:41 UTCGHSA enrichment
  9. 2026-10-03 06:57 UTCGHSA enrichment
  10. 2026-10-03 02:33 UTCGHSA enrichment
  11. 2026-10-02 22:10 UTCGHSA enrichment
  12. 2026-10-02 17:47 UTCEG score recompute
  13. 2026-10-02 17:47 UTCGHSA enrichment
  14. 2026-10-02 13:23 UTCGHSA enrichment
  15. 2026-10-02 09:00 UTCGHSA enrichment
  16. 2026-10-02 04:34 UTCGHSA enrichment
  17. 2026-10-02 00:11 UTCEG score recompute
  18. 2026-10-02 00:11 UTCGHSA enrichment
  19. 2026-10-01 19:49 UTCEPSS rescore
  20. 2026-10-01 19:48 UTCGHSA enrichment
  21. 2026-10-01 15:25 UTCGHSA enrichment
  22. 2026-10-01 11:02 UTCGHSA enrichment
  23. 2026-10-01 06:38 UTCGHSA enrichment
  24. 2026-10-01 02:15 UTCGHSA enrichment
  25. 2026-09-30 21:52 UTCGHSA enrichment
Show 32 more
  1. 2026-09-30 17:29 UTCEG score recompute
  2. 2026-09-30 17:29 UTCGHSA enrichment
  3. 2026-09-30 15:02 UTCEPSS rescore
  4. 2026-09-30 13:02 UTCGHSA enrichment
  5. 2026-09-30 08:33 UTCGHSA enrichment
  6. 2026-09-30 04:09 UTCGHSA enrichment
  7. 2026-09-29 23:46 UTCGHSA enrichment
  8. 2026-09-29 18:11 UTCEG score recompute
  9. 2026-09-29 18:11 UTCGHSA enrichment
  10. 2026-09-29 15:20 UTCEPSS rescore
  11. 2026-09-29 13:31 UTCGHSA enrichment
  12. 2026-09-29 09:07 UTCGHSA enrichment
  13. 2026-09-29 04:44 UTCGHSA enrichment
  14. 2026-09-29 00:20 UTCEG score recompute
  15. 2026-09-29 00:20 UTCGHSA enrichment
  16. 2026-09-28 19:53 UTCGHSA enrichment
  17. 2026-09-28 15:29 UTCEG score recompute
  18. 2026-09-28 15:29 UTCGHSA enrichment
  19. 2026-09-28 13:50 UTCEPSS rescore
  20. 2026-09-28 13:29 UTCEG score recompute
  21. 2026-09-28 13:29 UTCGHSA enrichment
  22. 2026-09-28 13:29 UTCNVD updateCVSS v4 → 8.6
  23. 2026-09-28 13:07 UTCEG score recompute
  24. 2026-09-28 13:07 UTCGHSA enrichment
  25. 2026-09-28 13:07 UTCMITRE cvelistV5CVSS v4 → 9.4
  26. 2026-09-28 11:08 UTCGHSA enrichment
  27. 2026-09-28 06:45 UTCEG score recompute
  28. 2026-09-28 06:45 UTCGHSA enrichment
  29. 2026-09-28 02:19 UTCEG score recompute
  30. 2026-09-28 02:18 UTCNVD updateCVSS v4 → 8.6
  31. 2026-09-28 01:53 UTCEG score recompute
  32. 2026-09-28 01:52 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-100896?
CVE-2026-100896 is a critical vulnerability published on September 28, 2026. A weakness has been identified in TOTOLINK N150RT 3.4.0-B20201030. The affected element is the function system of the file /boafrm/formWlSiteSurvey of the component Web Management Interface. This manipulation of the argument wlanif causes os command injection. Remote exploitation of the attack is…
When was CVE-2026-100896 disclosed?
CVE-2026-100896 was first published on September 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-100896 actively exploited?
CVE-2026-100896 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.9% probability of exploitation in the next 30 days (78th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-100896?
CVE-2026-100896 has a CVSS base score of 9.9 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-100896?
No fix for CVE-2026-100896 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-100896 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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