Vulnerability · Published Oct 7, 2026 · Assigned by mitre
CVE-2025-70520
Critical 9.8
In plain English
A critical-severity missing authentication in the affected software. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.5%top 56.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
The websocket handler of Fanvil x7a firmware version 2.6.0.1182 does not enforce proper authentication restrictions against sessionless users. The lack of restrictions grants anyone the ability to view any device resources such as operational logs or perform diagnostic requests.
Affected products (as reported)
Weakness: CWE-306 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H