CVE-2026-19748
Tenda CH7 Kylin Web Service CWebSessionManager_ParseSession entropy
Description
A 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.
INFO
Published Date :
Aug. 13, 2026, 9:17 p.m.
Last Modified :
Aug. 13, 2026, 9:17 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | LOW | [email protected] | ||||
| CVSS 3.1 | LOW | [email protected] | ||||
| CVSS 4.0 | LOW | [email protected] |
Solution
- Update Tenda device firmware to the latest version.
- Apply vendor-provided security patches for Kylin Web Service.
- Ensure proper entropy source configuration.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-19748.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-19748 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-19748
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-19748 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-19748 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Aug. 13, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:2.3:h:tenda:ch7:*:*:*:*:*:*:*:*'], 'vendor': 'Tenda', 'modules': ['Kylin Web Service'], 'product': 'CH7', 'versions': [{'status': 'affected', 'version': '20260625'}]}, {'cpes': ['cpe:2.3:h:tenda:ch7g:*:*:*:*:*:*:*:*'], 'vendor': 'Tenda', 'modules': ['Kylin Web Service'], 'product': 'CH7G', 'versions': [{'status': 'affected', 'version': '20260625'}]}, {'cpes': ['cpe:2.3:h:tenda:ch10:*:*:*:*:*:*:*:*'], 'vendor': 'Tenda', 'modules': ['Kylin Web Service'], 'product': 'CH10', 'versions': [{'status': 'affected', 'version': '20260625'}]}, {'cpes': ['cpe:2.3:h:tenda:cp3:*:*:*:*:*:*:*:*'], 'vendor': 'Tenda', 'modules': ['Kylin Web Service'], 'product': 'CP3', 'versions': [{'status': 'affected', 'version': '20260625'}]}, {'cpes': ['cpe:2.3:h:tenda:cp3_pro:*:*:*:*:*:*:*:*'], 'vendor': 'Tenda', 'modules': ['Kylin Web Service'], 'product': 'CP3 Pro', 'versions': [{'status': 'affected', 'version': '20260625'}]}, {'cpes': ['cpe:2.3:h:tenda:cp7:*:*:*:*:*:*:*:*'], 'vendor': 'Tenda', 'modules': ['Kylin Web Service'], 'product': 'CP7', 'versions': [{'status': 'affected', 'version': '20260625'}]}, {'cpes': ['cpe:2.3:h:tenda:tc3b14c:*:*:*:*:*:*:*:*'], 'vendor': 'Tenda', 'modules': ['Kylin Web Service'], 'product': 'TC3B14C', 'versions': [{'status': 'affected', 'version': '20260625'}]}, {'cpes': ['cpe:2.3:h:tenda:tc3b15c:*:*:*:*:*:*:*:*'], 'vendor': 'Tenda', 'modules': ['Kylin Web Service'], 'product': 'TC3B15C', 'versions': [{'status': 'affected', 'version': '20260625'}]}, {'cpes': ['cpe:2.3:h:tenda:tc3t14c:*:*:*:*:*:*:*:*'], 'vendor': 'Tenda', 'modules': ['Kylin Web Service'], 'product': 'TC3T14C', 'versions': [{'status': 'affected', 'version': '20260625'}]}, {'cpes': ['cpe:2.3:h:tenda:tc3t15c:*:*:*:*:*:*:*:*'], 'vendor': 'Tenda', 'modules': ['Kylin Web Service'], 'product': 'TC3T15C', 'versions': [{'status': 'affected', 'version': '20260625'}]}] Added Description A 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. Added CVSS V4.0 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 Added CVSS V3.1 AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N Added CVSS V2 (AV:N/AC:H/Au:N/C:P/I:N/A:N) Added CWE CWE-330 Added CWE CWE-331 Added Reference https://github.com/howitouchyou/Tenda-Smart-Camera-Vulnerability/blob/main/Tenda%20Weak%20Bypass/Tenda%20Camera%20Weak%20Session%20Authentication%20Bypass.md Added Reference https://vuldb.com/cve/CVE-2026-19748 Added Reference https://vuldb.com/submit/868490 Added Reference https://vuldb.com/vuln/389499 Added Reference https://vuldb.com/vuln/389499/cti Added Reference https://www.tenda.com.cn/