What is CVE-2025-4905?

CVE-2025-4905 is a medium-severity vulnerability in Iop-Apl-Uw Basestation3, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2025-05-19.

How severe is CVE-2025-4905?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Is CVE-2025-4905 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Deserialization in Iop-Apl-Uw Basestation3

CVE-2025-4905

A vulnerability was found in iop-apl-uw basestation3 up to 3.0.4 and classified as problematic. This issue affects the function load_qc_pickl of the file basestation3/QC.py. The manipulation of the argument qc_file leads to deserialization. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The code maintainer tagged the issue as closed. But there is no new commit nor release in the GitHub repository available so far.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2025-05-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.005 (39.8th percentile), scored 2026-10-05.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 39.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000

Affected products

Iop-Apl-Uw Basestation3 — versions 3.0.0, 3.0.1, 3.0.2
Washington Basestation

Weakness classification (CWE)

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
github.com/iop-apl-uw/basestation3/issues/6 (issue-tracking, Exploit, Issue Tracking)
github.com/iop-apl-uw/basestation3/issues/6 (issue-tracking, Exploit, Issue Tracking)
github.com/iop-apl-uw/basestation3/issues/6 (issue-tracking, Exploit, exploit, Issue Tracking)

Frequently asked questions

What is CVE-2025-4905?: CVE-2025-4905 is a medium-severity vulnerability in Iop-Apl-Uw Basestation3, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2025-05-19.
How severe is CVE-2025-4905?: Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2025-4905 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.