CVE-2026-26048 Jinan USR IOT Technology Limited (PUSR) USR-W610 Missing Authentication for Critical Function
Attackers can cause denial of service on USR-W610 routers by broadcasting forged deauthentication frames due to missing management frame protection.
- 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-2026-26048?
CVE-2026-26048 is a high-severity missing authorization vulnerability in Jinan USR IOT Technology Limited (PUSR) USR-W610, published on 20 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Wi-Fi router is vulnerable to de-authentication attacks due to the absence of management frame protection, allowing forged deauthentication and disassociation frames to be broadcast without authentication or encryption. An attacker can use this to cause unauthorized disruptions and create a denial-of-service condition.
Weakness: CWE-306
Which versions are affected by CVE-2026-26048?
How do I fix CVE-2026-26048?
No fix has been published for CVE-2026-26048 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-26048 being exploited?
There is no known exploitation of CVE-2026-26048 in the wild and no public exploit code.
Sources
Also known as GHSA-3vr9-ghwq-fh8h.