CVE-2026-19748 Tenda CH7 Kylin Web Service CWebSessionManager_ParseSession entropy
Insufficient entropy in session parsing allows remote attackers to potentially bypass authentication on Tenda routers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-19748?
CVE-2026-19748 is a medium-severity vulnerability in Tenda CH10, published on 13 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Which versions are affected by CVE-2026-19748?
How do I fix CVE-2026-19748?
No fix has been published for CVE-2026-19748 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-19748 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-19748 exists.
Sources
Also known as GHSA-6ww3-pvc7-5crf.