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CVE-2026-90604— Totolink A3002MU Anchor Tag cross site scripting

Quick assessment

Affected
Totolink A3002MU
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.

TOTOLINK A3002MU是中国TOTOLINK公司的一款双频无线网络扩展器。 TOTOLINK A3002MU Hh-B20211125.1046版本存在安全漏洞，该漏洞源于Anchor Tag Handler组件处理不当，可能导致跨站脚本攻击。

CVSS 3.5 · Low EPSS 0.35% · P28

Possible ATT&CK Techniques 1 AI

T1189.003

Affected Version Matrix 1

VendorProduct Version RangeStatus
Totolink A3002MU Hh-B20211125.1046 affected
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I. Basic Information for CVE-2026-90604

Vulnerability Information
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Vulnerability Title
Totolink A3002MU Anchor Tag cross site scripting
Source: CVE Program / CVE List V5
Vulnerability Description
A security flaw has been discovered in Totolink A3002MU Hh-B20211125.1046. This affects an unknown part of the component Anchor Tag Handler. Performing a manipulation results in cross site scripting. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
TOTOLINK A3002MU 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TOTOLINK A3002MU是中国TOTOLINK公司的一款双频无线网络扩展器。 TOTOLINK A3002MU Hh-B20211125.1046版本存在安全漏洞，该漏洞源于Anchor Tag Handler组件处理不当，可能导致跨站脚本攻击。
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
Totolink A3002MU Hh-B20211125.1046 cpe:2.3:a:totolink:a3002mu:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-90604

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III. Intelligence Information for CVE-2026-90604

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Proof of Concept for CVE-2026-90604 (1)

Same Patch Batch · Totolink · 2026-09-13 · 3 CVEs total

CVE-2026-90605 9.9 CRITICAL Totolink A3002MU boa formFilter buffer overflow
CVE-2026-90606 9.9 CRITICAL Totolink A3002MU boa formIpv6Setup buffer overflow

IV. Related Vulnerabilities

Same product: A3002MU
Same vendor: Totolink
Same weakness: CWE-79