CVE-2026-35075 Hardcoded default Password for Service Account
Attackers can extract hardcoded service account passwords from firmware to gain full remote access to industrial communication devices.
- 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-2026-35075?
CVE-2026-35075 is a critical vulnerability in MBS Double-A Profibus, published on 3 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An unauthenticated remote attacker can recover a default, hard coded password from a firmware image and thus gain full access to all affected devices.
Weakness: CWE-1393
Which versions are affected by CVE-2026-35075?
It affects 1 product.
Products include Mbs-Solutions Universal Gateway Firmware.
How do I fix CVE-2026-35075?
No fix has been published for CVE-2026-35075 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-35075 being exploited?
There is no known exploitation of CVE-2026-35075 in the wild and no public exploit code.
Other vulnerabilities in MBS Double-A Profibus
- CVE-2026-35082 Local file inclusion vulnerability and deletion in ugw-logread method
- CVE-2026-35083 Stack buffer overflow in method bac-deviceobject
- CVE-2026-35084 Stack buffer overflow in method dali-devconfig
- CVE-2026-35085 Stack buffer overflow in method gdv-serverconfig
- CVE-2026-35076 Arbitrary file delete vulnerability in method bac-scanresult
Sources
Also known as GHSA-fhf4-qwrf-f48v.