Description
A high privileged remote attacker with admin privileges for the webUI can brute-force the "root" and "user" passwords of the underlying OS due to a weak password generation algorithm.
Affected products
phoenixcontact: fl switch 2708 pn firmware; phoenixcontact: fl switch 2708 pn; phoenixcontact: fl switch 2708 firmware; phoenixcontact: fl switch 2708; phoenixcontact: fl switch 2608 pn firmware; phoenixcontact: fl switch 2608 pn; phoenixcontact: fl switch 2608 firmware; phoenixcontact: fl switch 2608; phoenixcontact: fl switch 2516 pn firmware; phoenixcontact: fl switch 2516 pn; phoenixcontact: fl switch 2208c firmware; phoenixcontact: fl switch 2208c; phoenixcontact: fl switch 2208 pn firmware; phoenixcontact: fl switch 2208 pn; phoenixcontact: fl switch 2208 firmware
References1
- certvde.com/de/advisories/VDE-2025-071 Third Party Advisory
Metrics
- CVSS 3.1
-
6.8
MEDIUM
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N - EPSS — exploit probability
- 0% percentile: 25 · as of 11 November 2026
- CWE
- CWE-916
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.