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Fencer Intel
medium 5.3

CVE-2025-4905 json

iop-apl-uw basestation3 QC.py load_qc_pickl deserialization

published last yr. modified 4mo ago also EUVD-2025-15711

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 44%
public exploits
0
none known

Summary

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.

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CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
last yr.

Exploit prediction

0.52% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/iop-apl-uw/basestation3/issues/6 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/iop-apl-uw/basestation3/issues/6#event-17672013757 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/iop-apl-uw/basestation3/issues/6#issue-3066055868 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 4.8 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
CNA 3.1 5.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CNA 3.0 5.3 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CNA 2.0 4.3 AV:L/AC:L/Au:S/C:P/I:P/A:P
CNA 4.0 4.8 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • iop-apl-uw basestation3

Classification

Weakness
  • CWE-502 Deserialization of Untrusted Data
  • CWE-20 Improper Input Validation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.