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CVE-2026-9033— Unauthenticated Captive Portal Session Termination and Forced Logout in Omada Gateways

Quick assessment

Affected
TP-Link Systems Inc. ER7212PC v2
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

TP-Link ER7212PC是中国TP-Link公司的一款多功能路由器。 TP-Link ER7212PC 2.4.3 Build 20260722 Rel.40250之前版本存在授权问题漏洞，该漏洞源于缺少身份验证机制，可能导致未经身份验证的攻击者终止单个或所有活跃的强制门户会话，造成临时服务中断并迫使受影响用户重新认证。

CVSS 6.0 · Medium EPSS 0.28% · P19

Affected Version Matrix 19

VendorProduct Version RangeStatus
TP-Link Systems Inc ER7406 v1 < 1.3.4 Build 20260625 Rel.43136 affected
TP-Link Systems Inc ER7412-M2 v1 < 1.2.0 Build 20260630 Rel.82947 affected
TP-Link Systems Inc. DR3150 v1 < 1.0.1 Build 20260722 Rel.16854 affected
TP-Link Systems Inc. DR3220v-4G v1 < 1.2.0 Build 20260630 Rel.82652 affected
TP-Link Systems Inc. DR3650v v1 < 1.2.0 Build 20260630 Rel.83311 affected
TP-Link Systems Inc. DR3650v-4G v1 < 1.2.0 Build 20260630 Rel.83347 affected
TP-Link Systems Inc. ER603WP-4G-Outdoor v1 < 1.0.2 Build 20260723 Rel.43271 affected
TP-Link Systems Inc. ER605 v2 < 2.4.4 Build 20260630 Rel.14398 affected
TP-Link Systems Inc. ER605W v2 < 2.0.4 Build 20260723 Rel.43763 affected
TP-Link Systems Inc. ER701-5G-Outdoor v1 < 1.0.3 Build 20260723 Rel.40931 affected
TP-Link Systems Inc. ER703WP-4G-Outdoor v1 < 1.1.7 Build 20260723 Rel.41712 affected
TP-Link Systems Inc. ER706W v1 < 1.2.11 Build 20260723 Rel.41567 affected
TP-Link Systems Inc. ER706W-4G v1 < 1.2.6 Build 20260723 Rel.41321 affected
TP-Link Systems Inc. ER706W-4G v2 < 2.1.11 Build 20260723 Rel.41624 affected
TP-Link Systems Inc. ER706WP-4G v1 < 1.1.11 Build 20260723 Rel.41624 affected
TP-Link Systems Inc. ER707-M2 v1 < 1.4.4 Build 20260625 Rel.43063 affected
TP-Link Systems Inc. ER7206 v2 < 2.3.5 Build 20260625 Rel.43136 affected
TP-Link Systems Inc. ER7212PC v2 < 2.4.3 Build 20260722 Rel.40250 affected
TP-Link Systems Inc. ER8411 v1 < 1.4.1 Build 20260708 Rel.64832 affected
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I. Basic Information for CVE-2026-9033

Vulnerability Information
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Vulnerability Title
Unauthenticated Captive Portal Session Termination and Forced Logout in Omada Gateways
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
TP-Link ER7212PC 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TP-Link ER7212PC是中国TP-Link公司的一款多功能路由器。 TP-Link ER7212PC 2.4.3 Build 20260722 Rel.40250之前版本存在授权问题漏洞，该漏洞源于缺少身份验证机制，可能导致未经身份验证的攻击者终止单个或所有活跃的强制门户会话，造成临时服务中断并迫使受影响用户重新认证。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
TP-Link Systems Inc. ER7212PC v2 0 ~ 2.4.3 Build 20260722 Rel.40250 -
TP-Link Systems Inc. ER605 v2 0 ~ 2.4.4 Build 20260630 Rel.14398 -
TP-Link Systems Inc. ER7206 v2 0 ~ 2.3.5 Build 20260625 Rel.43136 -
TP-Link Systems Inc ER7406 v1 0 ~ 1.3.4 Build 20260625 Rel.43136 -
TP-Link Systems Inc. ER707-M2 v1 0 ~ 1.4.4 Build 20260625 Rel.43063 -
TP-Link Systems Inc ER7412-M2 v1 0 ~ 1.2.0 Build 20260630 Rel.82947 -
TP-Link Systems Inc. ER8411 v1 0 ~ 1.4.1 Build 20260708 Rel.64832 -
TP-Link Systems Inc. ER706W v1 0 ~ 1.2.11 Build 20260723 Rel.41567 -
TP-Link Systems Inc. ER706W-4G v1 0 ~ 1.2.6 Build 20260723 Rel.41321 -
TP-Link Systems Inc. ER706W-4G v2 0 ~ 2.1.11 Build 20260723 Rel.41624 -
TP-Link Systems Inc. ER706WP-4G v1 0 ~ 1.1.11 Build 20260723 Rel.41624 -
TP-Link Systems Inc. ER703WP-4G-Outdoor v1 0 ~ 1.1.7 Build 20260723 Rel.41712 -
TP-Link Systems Inc. DR3220v-4G v1 0 ~ 1.2.0 Build 20260630 Rel.82652 -
TP-Link Systems Inc. DR3650v v1 0 ~ 1.2.0 Build 20260630 Rel.83311 -
TP-Link Systems Inc. DR3650v-4G v1 0 ~ 1.2.0 Build 20260630 Rel.83347 -
TP-Link Systems Inc. ER603WP-4G-Outdoor v1 0 ~ 1.0.2 Build 20260723 Rel.43271 -
TP-Link Systems Inc. DR3150 v1 0 ~ 1.0.1 Build 20260722 Rel.16854 -
TP-Link Systems Inc. ER701-5G-Outdoor v1 0 ~ 1.0.3 Build 20260723 Rel.40931 -
TP-Link Systems Inc. ER605W v2 0 ~ 2.0.4 Build 20260723 Rel.43763 -

II. Public POCs for CVE-2026-9033

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III. Intelligence Information for CVE-2026-9033

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Vendor Advisories for CVE-2026-9033 (1)

Vendor Pages for CVE-2026-9033 (1)

Same Patch Batch · TP-Link Systems Inc. · 2026-08-20 · 3 CVEs total

CVE-2026-19586 9.3 CRITICAL Pre-Authentication OS Command Injection in Omada Gateways on OpenVPN Server in Omada Gatew
CVE-2026-19683 6.3 MEDIUM Unencrypted Credential Transmission in Omada Gateway Dynamic DNS Authentication in Omada G

IV. Related Vulnerabilities

Same product: ER7212PC v2
Same vendor: TP-Link Systems Inc.
Same weakness: CWE-306

V. Comments for CVE-2026-9033

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