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CVE-2026-1668— Input Validation Vulnerability on Multiple Omada Switches

Quick assessment

Affected
TP-Link Systems Inc. SG2008P 3.2x
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 Omada Switches是中国普联（TP-Link）公司的一系列交换机。 TP-Link Omada switches存在安全漏洞，该漏洞源于Web接口验证不足，可能导致处理特制请求时越界内存访问，从而造成内存损坏、服务不稳定、信息泄露、远程代码执行或拒绝服务。

AI Predicted 9.8 Difficulty: Easy EPSS 1.02% · P63
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I. Basic Information for CVE-2026-1668

Vulnerability Information
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Vulnerability Title
Input Validation Vulnerability on Multiple Omada Switches
Source: CVE Program / CVE List V5
Vulnerability Description
The web interface on multiple Omada switches does not adequately validate certain external inputs, which may lead to out-of-bound memory access when processing crafted requests. Under specific conditions, this flaw may result in unintended command execution.<br>An unauthenticated attacker with network access to the affected interface may cause memory corruption, service instability, or information disclosure. Successful exploitation may allow remote code execution or denial-of-service.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
TP-Link Omada Switches 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TP-Link Omada Switches是中国普联（TP-Link）公司的一系列交换机。 TP-Link Omada switches存在安全漏洞，该漏洞源于Web接口验证不足，可能导致处理特制请求时越界内存访问，从而造成内存损坏、服务不稳定、信息泄露、远程代码执行或拒绝服务。
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. SG2008P 3.2x 0 ~ 3.20.17 Build 20260121 Rel.53429 -
TP-Link Systems Inc. SG2008P 3.3x 0 ~ 3.30.1 Build 20260127 Rel.32017 -
TP-Link Systems Inc. SX3016F 1.3x 0 ~ 1.30.1 Build 20260129 Rel.8831 -
TP-Link Systems Inc. SX3016F 1.2x 0 ~ 1.20.16 Build 20260121 Rel.57953 -
TP-Link Systems Inc. SG3428 2.4x 0 ~ 2.40.1 Build 20260127 Rel.39545 -
TP-Link Systems Inc. SG3428XMP 3.3x 0 ~ 3.30.1 Build 20260127 Rel.39545 -
TP-Link Systems Inc. SG3428X 1.4x 0 ~ 1.40.1 Build 20260127 Rel.39545 -
TP-Link Systems Inc. SG3428XF 1.3x 0 ~ 1.30.1 Build 20260127 Rel.39545 -
TP-Link Systems Inc. SG3452P 3.4x 0 ~ 3.40.1 Build 20260128 Rel.7041 -
TP-Link Systems Inc. SG3428MP 6.3x 0 ~ 6.30.1 Build 20260127 Rel.39545 -
TP-Link Systems Inc. SG2218P 2.2x 0 ~ 2.20.2 Build 20260127 Rel.32017 -
TP-Link Systems Inc. SG2016P 1.3x 0 ~ 1.30.1 Build 20260127 Rel.32017 -
TP-Link Systems Inc. SG3452XP 2.3x 0 ~ 2.30.1 Build 20260128 Rel.8721 -
TP-Link Systems Inc. SG3428XMPP 1.2x 0 ~ 1.20.1 Build 20260127 Rel.39545 -
TP-Link Systems Inc. SG3452X 1.3x 0 ~ 1.30.1 Build 20260128 Rel.8721 -
TP-Link Systems Inc. SG2008 4.3x 0 ~ 4.30.1 Build 20260127 Rel.32017 -
TP-Link Systems Inc. SG3210 3.3x 0 ~ 3.30.1 Build 20260206 Rel.33103 -
TP-Link Systems Inc. SG2210MP 5.2x 0 ~ 5.20.1 Build 20260127 Rel.32017 -
TP-Link Systems Inc. SG2210P 5.3x 0 ~ 5.30.1 Build 20260127 Rel.32017 -
TP-Link Systems Inc. SG2218 1.3x 0 ~ 1.30.1 Build 20260127 Rel.32017 -
TP-Link Systems Inc. SG3452 1.3x 0 ~ 1.30.1 Build 20260128 Rel.7041 -
TP-Link Systems Inc. SG3210X-M2 1.2x 0 ~ 1.20.1 Build 20260129 Rel.13605 -
TP-Link Systems Inc. SG2210XMP-M2 1.x 0 ~ 1.0.19 Build 20260121 Rel.53314 -
TP-Link Systems Inc. SG2008 4.2x 0 ~ 4.20.17 Build 20260121 Rel.53429 -
TP-Link Systems Inc. SG2218P 1.2x 0 ~ 1.20.17 Build 20260121 Rel.53429 -
TP-Link Systems Inc. SG3210 3.2x 0 ~ 3.20.17 Build 20260121 Rel.53429 -
TP-Link Systems Inc. SG3428X-M2 1.2x 0 ~ 1.20.18 Build 20260121 Rel.54271 -
TP-Link Systems Inc. SX3832MPP 1.x 0 ~ 1.0.11 Build 20260121 Rel.56907 -
TP-Link Systems Inc. SG2218 1.2x 0 ~ 1.20.17 Build 20260121 Rel.53429 -
TP-Link Systems Inc. SX3832 1.x 0 ~ 1.0.12 Build 20260121 Rel.56907 -

II. Public POCs for CVE-2026-1668

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-1668

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Vendor Advisories for CVE-2026-1668 (1)

Vendor Pages for CVE-2026-1668 (3)

IV. Related Vulnerabilities

Same vendor: TP-Link Systems Inc.
Same weakness: CWE-20