Tenda CH7 Kylin Web Service CWebSessionManager_ParseSession entropy

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-19748
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-13 21:17:46 UTC
Updated2026-08-14 19:09:39 UTC
DescriptionA security vulnerability has been detected in Tenda CH7, CH7G, CH10, CP3, CP3 Pro, CP7, TC3B14C, TC3B15C, TC3T14C and TC3T15C up to 20260625. Affected is the function CWebSessionManager_ParseSession of the file /user/bin/Kylin of the component Kylin Web Service. Such manipulation of the argument SESSION leads to insufficient entropy. The attack may be performed from remote. Attacks of this nature are highly complex. The exploitability is told to be difficult.

Risk And Classification

Primary CVSS: v4.0 2.9 LOW from [email protected]

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/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

Problem Types: CWE-330 | CWE-331 | CWE-331 Insufficient Entropy | CWE-330 Insufficiently Random Values

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary2.9LOWCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/C...
4.0CNADECLARED6.3MEDIUMCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
3.1[email protected]Secondary3.7LOWCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
3.1CNADECLARED3.7LOWCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
3.0CNADECLARED3.7LOWCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
2.0[email protected]Secondary2.6AV:N/AC:H/Au:N/C:P/I:N/A:N
2.0CNADECLARED2.6AV:N/AC:H/Au:N/C:P/I:N/A:N/E:POC/RL:ND/RC:UR

CVSS v4.0 Breakdown

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

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/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
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

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

CVSS v3.0 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Tenda CH7 affected 20260625 Not specified
CNA Tenda CH7G affected 20260625 Not specified
CNA Tenda CH10 affected 20260625 Not specified
CNA Tenda CP3 affected 20260625 Not specified
CNA Tenda CP3 Pro affected 20260625 Not specified
CNA Tenda CP7 affected 20260625 Not specified
CNA Tenda TC3B14C affected 20260625 Not specified
CNA Tenda TC3B15C affected 20260625 Not specified
CNA Tenda TC3T14C affected 20260625 Not specified
CNA Tenda TC3T15C affected 20260625 Not specified

References

ReferenceSourceLinkTags
vuldb.com/vuln/389499/cti [email protected] vuldb.com
www.tenda.com.cn [email protected] www.tenda.com.cn
vuldb.com/cve/CVE-2026-19748 [email protected] vuldb.com
vuldb.com/submit/868490 [email protected] vuldb.com
github.com/howitouchyou/Tenda-Smart-Camera-Vulnerability/blob/main/Tenda... 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com
vuldb.com/vuln/389499 [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: Howitouchyou (VulDB User) (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-08-13T00:00:00.000ZAdvisory disclosed
CNA2026-08-13T02:00:00.000ZVulDB entry created
CNA2026-08-13T16:44:51.000ZVulDB entry last update

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