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Total 15 CVE
CVE Vendors Products Updated CVSS v3.1
CVE-2025-41754 1 Mbs 3 Ubr-01 Mk Ii, Ubr-02, Ubr-lon 2026-03-10 6.5 Medium
A low-privileged remote attacker can exploit the ubr-editfile method in wwwubr.cgi, an undocumented and unused API endpoint to read arbitrary files on the system.
CVE-2025-41755 1 Mbs 3 Ubr-01 Mk Ii, Ubr-02, Ubr-lon 2026-03-10 6.5 Medium
A low-privileged remote attacker can exploit the ubr-logread method in wwwubr.cgi to read arbitrary files on the system. The endpoint accepts a parameter specifying the log file to open (e.g., /tmp/weblog{some_number}), but this parameter is not properly validated, allowing an attacker to modify it to reference any file and retrieve its contents.
CVE-2025-41756 1 Mbs 3 Ubr-01 Mk Ii, Ubr-02, Ubr-lon 2026-03-10 8.1 High
A low-privileged remote attacker can exploit the ubr-editfile method in wwwubr.cgi, an undocumented and unused API endpoint to write arbitrary files on the system.
CVE-2025-41757 1 Mbs 3 Ubr-01 Mk Ii, Ubr-02, Ubr-lon 2026-03-10 8.8 High
A low-privileged remote attacker can abuse the backup restore functionality of UBR (ubr-restore) which runs with elevated privileges and does not validate the contents of the backup archive to create or overwrite arbitrary files anywhere on the system.
CVE-2025-41758 1 Mbs 3 Ubr-01 Mk Ii, Ubr-02, Ubr-lon 2026-03-10 8.8 High
A low-privileged remote attacker can exploit an arbitrary file write vulnerability in the wwupload.cgi endpoint. Due to path traversal this can lead to overwriting arbitrary files on the device and achieving a full system compromise.
CVE-2025-41759 1 Mbs 3 Ubr-01 Mk Ii, Ubr-02, Ubr-lon 2026-03-10 4.9 Medium
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.
CVE-2025-41760 1 Mbs 3 Ubr-01 Mk Ii, Ubr-02, Ubr-lon 2026-03-10 4.9 Medium
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.
CVE-2025-41761 1 Mbs 3 Ubr-01 Mk Ii, Ubr-02, Ubr-lon 2026-03-10 7.8 High
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.
CVE-2025-41762 1 Mbs 3 Ubr-01 Mk Ii, Ubr-02, Ubr-lon 2026-03-10 6.2 Medium
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.
CVE-2025-41763 1 Mbs 3 Ubr-01 Mk Ii, Ubr-02, Ubr-lon 2026-03-10 6.5 Medium
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.
CVE-2025-41764 1 Mbs 3 Ubr-01 Mk Ii, Ubr-02, Ubr-lon 2026-03-10 9.1 Critical
Due to insufficient authorization enforcement, an unauthorized remote attacker can exploit the wwwupdate.cgi endpoint to upload and apply arbitrary updates.
CVE-2025-41765 1 Mbs 3 Ubr-01 Mk Ii, Ubr-02, Ubr-lon 2026-03-10 9.1 Critical
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.
CVE-2025-41766 1 Mbs 3 Ubr-01 Mk Ii, Ubr-02, Ubr-lon 2026-03-10 8.8 High
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.
CVE-2025-41767 1 Mbs 3 Ubr-01 Mk Ii, Ubr-02, Ubr-lon 2026-03-10 7.2 High
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.
CVE-2025-41772 1 Mbs 3 Ubr-01 Mk Ii, Ubr-02, Ubr-lon 2026-03-10 7.5 High
An unauthenticated remote attacker can obtain valid session tokens because they are exposed in plaintext within the URL parameters of the wwwupdate.cgi endpoint in UBR.