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Vulnerabilities

Vulnerability · CVE-2025-41758

A low-privileged remote attacker can exploit an arbitrary file write vulnerability in the wwupload.cgi endpoint.

Published Mar 9, 2026 · catalog updated Jun 17, 2026 · universal bacnet router firmware

Check if you run it

No confirmed exploitation is on record for CVE-2025-41758. EPSS is 0.56%. Act only if a listed version of universal bacnet router firmware is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.56%
Remediation
Advisory link
Affected products
cpe mbs-solutions/universal bacnet router firmware

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe mbs-solutions/universal bacnet router firmwareversion unspecified

How to fix CVE-2025-41758

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-41758. EPSS is 0.56%. Act only if a listed version of universal bacnet router firmware is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-22: Path Traversal. EPSS 0.56%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 9, 2026 · NIST NVD

    Detected

    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.

  2. Jun 17, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-41758

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-41758

    30-day exploitation probability 0.6%

    first.org
  • NIST NVDVulnerability recordCVE-2025-41758

    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.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.