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CVE-2026-15271— TOTOLINK EX200 Web boa.conf least privilege violation

Quick assessment

Affected
TOTOLINK A3000RU
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 a3000ru是中国TOTOLINK公司的一款无线路由器设备。 TOTOLINK A3000RU存在权限许可和访问控制问题漏洞，该漏洞源于Web Interface组件的/etc/boa/boa.conf文件功能存在问题，可能导致最小权限违例。以下版本受到影响：20260906版本。

CVSS 7.5 · High EPSS 0.71% · P52

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 7

VendorProduct Version RangeStatus
TOTOLINK A3000RU 20260906 affected
TOTOLINK A3100R 20260906 affected
TOTOLINK A950RG 20260906 affected
TOTOLINK AC1200T10 20260906 affected
TOTOLINK CP450 20260906 affected
TOTOLINK CS185R_T10 20260906 affected
TOTOLINK EX200 20260906 affected
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I. Basic Information for CVE-2026-15271

Vulnerability Information
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Vulnerability Title
TOTOLINK EX200 Web boa.conf least privilege violation
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been detected in TOTOLINK A3000RU, A3100R, A950RG, AC1200T10, CP450, CS185R_T10 and EX200 up to 20260906. Affected by this issue is some unknown functionality of the file /etc/boa/boa.conf of the component Web Interface. The manipulation leads to least privilege violation. The attack may be initiated remotely. The attack's complexity is rated as high. The exploitation is known to be difficult.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
最小特权原则违背
Source: CVE Program / CVE List V5
Vulnerability Title
TOTOLINK A3000RU 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TOTOLINK a3000ru是中国TOTOLINK公司的一款无线路由器设备。 TOTOLINK A3000RU存在权限许可和访问控制问题漏洞，该漏洞源于Web Interface组件的/etc/boa/boa.conf文件功能存在问题，可能导致最小权限违例。以下版本受到影响：20260906版本。
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 A3000RU 20260906 cpe:2.3:a:totolink:a3000ru:*:*:*:*:*:*:*:*
TOTOLINK A3100R 20260906 cpe:2.3:a:totolink:a3100r:*:*:*:*:*:*:*:*
TOTOLINK A950RG 20260906 cpe:2.3:a:totolink:a950rg:*:*:*:*:*:*:*:*
TOTOLINK AC1200T10 20260906 cpe:2.3:a:totolink:ac1200t10:*:*:*:*:*:*:*:*
TOTOLINK CP450 20260906 cpe:2.3:a:totolink:cp450:*:*:*:*:*:*:*:*
TOTOLINK CS185R_T10 20260906 cpe:2.3:a:totolink:cs185r_t10:*:*:*:*:*:*:*:*
TOTOLINK EX200 20260906 cpe:2.3:a:totolink:ex200:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-15271

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III. Intelligence Information for CVE-2026-15271

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Security Blog Posts for CVE-2026-15271 (1)

IV. Related Vulnerabilities

Same product: A3000RU
Same vendor: TOTOLINK
Same weakness: CWE-272

V. Comments for CVE-2026-15271

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