CVE-2026-35075

Hardcoded default Password for Service Account

An unauthenticated remote attacker can recover a default, hard coded password from a firmware image and thus gain full access to all affected devices.

CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed

Vendors

Mbs Mbs-solutions

Products

Double A Profibus Firmware Double A X Link Firmware Double X Can Firmware and 34 more

CVE-2026-35076

Arbitrary file delete vulnerability in method bac-scanresult

The bac-scanresult method allows a remote attacker with user privileges to delete arbitrary local files due to insufficient validation of user-controlled input.

CVSS 4.0 · 7.2 High EPSS < 1% KEV · Not listed

Vendors

Mbs Mbs-solutions

Products

Double A Profibus Firmware Double A X Link Firmware Double X Can Firmware and 34 more

CVE-2026-35077

Arbitrary file delete vulnerability in method ugw-delete-file

The ugw-delete-file method allows a remote attacker with user privileges to delete arbitrary local files due to insufficient validation of user-controlled input.

CVSS 4.0 · 7.2 High EPSS < 1% KEV · Not listed

Vendors

Mbs Mbs-solutions

Products

Double A Profibus Firmware Double A X Link Firmware Double X Can Firmware and 34 more

CVE-2026-35078

Arbitrary file delete vulnerability in method ugw-logstop

The ugw-logstop method allows a remote attacker with user privileges to delete arbitrary local files due to insufficient validation of user-controlled input.

CVSS 4.0 · 7.2 High EPSS < 1% KEV · Not listed

Vendors

Mbs Mbs-solutions

Products

Double-a Profibus Double-a X-link Double-x Can and 52 more

CVE-2026-35079

Arbitrary file delete vulnerability in method ugw-restore

The ugw-restore method allows a remote attacker with user privileges to delete arbitrary local files due to insufficient validation of user-controlled input.

CVSS 4.0 · 7.2 High EPSS < 1% KEV · Not listed

Vendors

Mbs Mbs-solutions

Products

Double-a Profibus Double-a X-link Double-x Can and 52 more

CVE-2026-35080

Arbitrary file delete vulnerability in method ugw-restoreinfo

The ugw-restoreinfo method allows a remote attacker with user privileges to delete arbitrary local files due to insufficient validation of user-controlled input.

CVSS 4.0 · 7.2 High EPSS < 1% KEV · Not listed

Vendors

Mbs Mbs-solutions

Products

Double-a Profibus Double-a X-link Double-x Can and 52 more

CVE-2026-35081

Arbitrary process termination vulnerability in method ugw-logstop

The ugw-logstop method allows a remote attacker with user privileges to terminate arbitrary processes due to insufficient validation of user-supplied input.

CVSS 4.0 · 7.2 High EPSS < 1% KEV · Not listed

Vendors

Mbs Mbs-solutions

Products

Double-a Profibus Double-a X-link Double-x Can and 52 more

CVE-2026-35082

Local file inclusion vulnerability and deletion in ugw-logread method

The ugw-logread method allows a remote attacker with user privileges to access arbitrary local files due to insufficient validation of user-supplied input.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed

Vendors

Mbs Mbs-solutions

Products

Double-a Profibus Double-a X-link Double-x Can and 52 more

CVE-2026-35083

Stack buffer overflow in method bac-deviceobject

A remote attacker with user privileges can exploit a stack buffer overflow to gain full system access as root.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed

Vendors

Mbs Mbs-solutions

Products

Double A Profibus Firmware Double A X Link Firmware Double X Can Firmware and 34 more

CVE-2026-35084

Stack buffer overflow in method dali-devconfig

A remote attacker with user privileges can exploit a stack buffer overflow in dali-devconfig to gain full system access as root.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed

Vendors

Mbs Mbs-solutions

Products

Double-a Profibus Double-a X-link Double-x Can and 52 more

CVE-2026-35085

Stack buffer overflow in method gdv-serverconfig

A remote attacker with user privileges can exploit a stack buffer overflow in gdv-serverconfig to gain full system access as root.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed

Vendors

Mbs Mbs-solutions

Products

Double-a Profibus Double-a X-link Double-x Can and 52 more

CVE-2025-41767

Signature bypass on update upload

A high-privileged remote attacker can fully compromise the device by abusing an update signature bypass vulnerability in the wwwupdate.cgi method in the web interface of UBR.

CVSS 3.1 · 7.2 High EPSS < 1% KEV · Not listed

Vendors

Mbs Mbs-solutions

Products

Ubr-01 Mk Ii Ubr-02 Ubr-lon and 4 more

CVE-2025-41766

Stack buffer overflow on parsing web request

A low-privileged remote attacker can trigger a stack-based buffer overflow via a crafted HTTP POST request using the ubr-network method resulting in full device compromise.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

Vendors

Mbs Mbs-solutions

Products

Ubr-01 Mk Ii Ubr-02 Ubr-lon and 4 more

CVE-2025-41765

Unchecked role in wwwupload.cgi

Due to insufficient authorization enforcement, an unauthorized remote attacker can exploit the wwwupload.cgi endpoint to upload and apply arbitrary data. This includes, but is not limited to, contact images, HTTPS certificates, system backups for restoration, server peer configurations, and BACnet/SC server certificates and keys.

CVSS 3.1 · 9.1 Critical EPSS < 1% KEV · Not listed

Vendors

Mbs Mbs-solutions

Products

Ubr-01 Mk Ii Ubr-02 Ubr-lon and 4 more

CVE-2025-41764

Unchecked role in wwwupdate.cgi

Due to insufficient authorization enforcement, an unauthorized remote attacker can exploit the wwwupdate.cgi endpoint to upload and apply arbitrary updates.

CVSS 3.1 · 9.1 Critical EPSS < 1% KEV · Not listed

Vendors

Mbs Mbs-solutions

Products

Ubr-01 Mk Ii Ubr-02 Ubr-lon and 4 more

CVE-2025-41763

Unchecked role in wwwdnload.cgi

A low‑privileged remote attacker can directly interact with the wwwdnload.cgi endpoint to download any resource available to administrators, including system backups and certificate request files.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed

Vendors

Mbs Mbs-solutions

Products

Ubr-01 Mk Ii Ubr-02 Ubr-lon and 4 more

CVE-2025-41762

Secret leak with wwwdnload.cgi

An unauthenticated attacker can abuse the weak hash of the backup generated by the wwwdnload.cgi endpoint to gain unauthorized access to sensitive data, including password hashes and certificates.

CVSS 3.1 · 6.2 Medium EPSS < 1% KEV · Not listed

Vendors

Mbs Mbs-solutions

Products

Ubr-01 Mk Ii Ubr-02 Ubr-lon and 4 more

CVE-2025-41761

Privilege escalation possible

A low‑privileged local attacker who gains access to the UBR service account (e.g., via SSH) can escalate privileges to obtain full system access. This is due to the service account being permitted to execute certain binaries (e.g., tcpdump and ip) with sudo.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed

Vendors

Mbs Mbs-solutions

Products

Ubr-01 Mk Ii Ubr-02 Ubr-lon and 4 more

CVE-2025-41760

Pass filter with Empty Table

An administrator may attempt to block all traffic by configuring a pass filter with an empty table. However, in UBR, an empty list does not enforce any restrictions and allows all network traffic to pass unfiltered.

CVSS 3.1 · 4.9 Medium EPSS < 1% KEV · Not listed

Vendors

Mbs Mbs-solutions

Products

Ubr-01 Mk Ii Ubr-02 Ubr-lon and 4 more

CVE-2025-41759

Use of wildcard (“*” or “all”) in Block list

An administrator may attempt to block all networks by specifying "\*" or "all" as the network identifier. However, these values are not supported and do not trigger any validation error. Instead, they are silently interpreted as network 0 which results in no networks being blocked at all.

CVSS 3.1 · 4.9 Medium EPSS < 1% KEV · Not listed

Vendors

Mbs Mbs-solutions

Products

Ubr-01 Mk Ii Ubr-02 Ubr-lon and 4 more