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Description

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.

PUBLISHED Reserved 2025-04-16 | Published 2026-03-09 | Updated 2026-03-09 | Assigner CERTVDE




HIGH: 8.1CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Problem types

CWE-1242 Inclusion of Undocumented Features or Chicken Bits

Product status

Default status
unaffected

0.0.0 (semver) before 6.0.1.0
affected

Default status
unaffected

0.0.0 (semver) before 6.0.1.0
affected

Default status
unaffected

0.0.0 (semver) before 6.0.1.0
affected

Credits

Adrien Rey from Cyber Defense Campus Zurich finder

Daniel Hulliger from Armasuisse finder

References

www.mbs-solutions.de/mbs-2025-0001

cve.org (CVE-2025-41756)

nvd.nist.gov (CVE-2025-41756)

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