TOTOLINK EX200 Web boa.conf least privilege violation

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Summary

CVECVE-2026-15271
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-09 22:17:02 UTC
Updated2026-07-10 15:43:30 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v4.0 7.7 HIGH from [email protected]

CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS: 0.004070000 probability, percentile 0.327880000 (date 2026-07-12)

Problem Types: CWE-266 | CWE-272 | CWE-272 Least Privilege Violation | CWE-266 Incorrect Privilege Assignment

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary7.7HIGHCVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/C...
4.0CNADECLARED7.7HIGHCVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X
3.1[email protected]Secondary7.5HIGHCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED7.5HIGHCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R
3.0CNADECLARED7.5HIGHCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R
2.0[email protected]Secondary7.1AV:N/AC:H/Au:S/C:C/I:C/A:C
2.0CNADECLARED7.1AV:N/AC:H/Au:S/C:C/I:C/A:C/E:ND/RL:ND/RC:UR

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
High
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA TOTOLINK A3000RU affected 20260906 Not specified
CNA TOTOLINK A3100R affected 20260906 Not specified
CNA TOTOLINK A950RG affected 20260906 Not specified
CNA TOTOLINK AC1200T10 affected 20260906 Not specified
CNA TOTOLINK CP450 affected 20260906 Not specified
CNA TOTOLINK CS185R T10 affected 20260906 Not specified
CNA TOTOLINK EX200 affected 20260906 Not specified

References

ReferenceSourceLinkTags
vuldb.com/cve/CVE-2026-15271 [email protected] vuldb.com
vuldb.com/submit/852317 [email protected] vuldb.com
vuldb.com/vuln/377214/cti [email protected] vuldb.com
vuldb.com/submit/852323 [email protected] vuldb.com
vuldb.com/submit/852316 [email protected] vuldb.com
vuldb.com/submit/852321 [email protected] vuldb.com
vuldb.com/submit/852320 [email protected] vuldb.com
app.notion.com/p/A3000RU-V5-9c-5185-37a1f5ba989080d38bb6ca58b2a98c64 [email protected] app.notion.com
www.totolink.net [email protected] www.totolink.net
vuldb.com/vuln/377214 [email protected] vuldb.com
vuldb.com/submit/852318 [email protected] vuldb.com
vuldb.com/submit/852319 [email protected] vuldb.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: L-14 (VulDB User) (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-07-09T00:00:00.000ZAdvisory disclosed
CNA2026-07-09T02:00:00.000ZVulDB entry created
CNA2026-07-09T16:58:55.000ZVulDB entry last update
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