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CVE-2026-9033

Unauthenticated Captive Portal Session Termination and Forced Logout in Omada Gateways

No known exploitation. EPSS puts it in the 20th percentile. Fixed versions are out.

CVSS 3.14.3MediumEPSS percentile20th0.3% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
No public exploit knownFix5 products5 fixed builds listed below
Check it yourself

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Published Updated Sources: CVE.org, NVD

NVD CVE.org

What to do

Find your product and version, then upgrade to the build on the right.

  • TP-Link Systems Inc. ER7212PC v2Affected: < 2.4.3 Build 20260722 Rel.40250Upgrade to: 2.4.3 Build 20260722 Rel.40250Stated by: CVE record
  • TP-Link Systems Inc. ER605 v2Affected: < 2.4.4 Build 20260630 Rel.14398Upgrade to: 2.4.4 Build 20260630 Rel.14398Stated by: CVE record
  • TP-Link Systems Inc. ER7206 v2Affected: < 2.3.5 Build 20260625 Rel.43136Upgrade to: 2.3.5 Build 20260625 Rel.43136Stated by: CVE record
  • TP-Link Systems Inc ER7406 v1Affected: < 1.3.4 Build 20260625 Rel.43136Upgrade to: 1.3.4 Build 20260625 Rel.43136Stated by: CVE record
  • TP-Link Systems Inc. ER707-M2 v1Affected: < 1.4.4 Build 20260625 Rel.43063Upgrade to: 1.4.4 Build 20260625 Rel.43063Stated by: CVE record

Versions as the sources state them. 32 more products have version data. Full version matrix after sign-in

What it is

From the CVE record

An unauthenticated attacker with network access to the captive portal service of an affected device can terminate active captive portal sessions, including forcing logout of specific users or clearing all active sessions. Affected users must re-authenticate to regain access.  Successful exploitation may allow termination of individual or all active captive portal sessions, causing temporary service disruption and requiring users to re-authenticate.

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS20th
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

0.3% chance of exploitation activity in the next 30 days, which ranks it in the 20th percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

9 events over 67 days, from the signal feeds we watch.

  1. Patch availablerecord updated
  2. Patch availablerecord updated
  3. Record updated
  4. Publishedweakness classified, att&ck mapped, record updated

Affected products

And 19 more affected products. See all after sign-in

Technical detail

CVSS 3.1 vector

Open in the CVSS calculator

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Scored 4.3 by NVD.

How it is reached

  • Attack Vector AdjacentRequires access to the local network (e.g. same Wi-Fi, Bluetooth)
  • Attack Complexity LowNo special conditions — the attack can be reliably reproduced
  • Privileges Required NoneNo authentication required — anyone can exploit this
  • User Interaction NoneNo user interaction needed — fully automated exploitation

Scope

  • Scope UnchangedImpact is limited to the vulnerable component itself

Impact if exploited

  • Confidentiality NoneNo confidentiality impact
  • Integrity NoneNo integrity impact
  • Availability LowReduced performance or intermittent disruption of service

Weaknesses

ATT&CK techniques

Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.

Sources

References in the record

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We'll flag the next CVE, public exploit or patch for Er7212pc Firmware, not every advisory.