PatchTheCVECVE-2025-41764: Due to insufficient authorization enforcement, an unauthorized remote attacker can exploit the wwwupdate.cgi e
CVE-2025-41764 is a critical-severity flaw (CVSS 9.1) affecting universal bacnet router firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Due to insufficient authorization enforcement, an unauthorized remote attacker can exploit the wwwupdate.cgi endpoint to upload and apply arbitrary updates.
Why this priority
- Critical severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.1 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.4% (top 64%) |
| CISA exploited list | No |
| Weakness | CWE-862 |
| Published | 2026-03-09 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-41764?
universal bacnet router firmware: upgrade to 6.0.1.0. Exact commands for each OS are on this page.
Is CVE-2025-41764 being exploited?
CVE-2025-41764 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2025-41764 affect?
CVE-2025-41764 affects universal bacnet router firmware. Severity is critical (CVSS 9.1). Due to insufficient authorization enforcement, an unauthorized remote attacker can exploit the wwwupdate.cgi endpoint to upload and apply arbitrary updates.
How urgent is CVE-2025-41764?
Priority 46/100. Critical severity; Remotely exploitable, no login, no user action
Related CVEs
- CVE-2025-41772 HIGH 7.5 UPGRADE An unauthenticated remote attacker can obtain valid session tokens because they are exposed in plaintext withi
- CVE-2025-41767 HIGH 7.2 UPGRADE A high-privileged remote attacker can fully compromise the device by abusing an update signature bypass vulner
- CVE-2025-41766 HIGH 8.8 UPGRADE A low-privileged remote attacker can trigger a stack-based buffer overflow via a crafted HTTP POST request usi
- CVE-2025-41765 CRITICAL 9.1 UPGRADE Due to insufficient authorization enforcement, an unauthorized remote attacker can exploit the wwwupload.cgi e
- CVE-2025-41763 MEDIUM 6.5 UPGRADE A low‑privileged remote attacker can directly interact with the wwwdnload.cgi endpoint to download any resourc