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Fencer Vulns
high 8.8

CVE-2026-35083 json

Stack buffer overflow in method bac-deviceobject

published 2026-06-03 5 mo ago modified 2026-07-22 3 mo ago also EUVD-2026-34079

cvss
8.8
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 39%
public exploits
0
none known

Summary

A remote attacker with user privileges can exploit a stack buffer overflow to gain full system access as root.

Patch / fix

  • MBS Single-A V6_00_07
  • MBS Double-A Profibus V6_00_07
  • MBS Double-A x-link V6_00_07
  • MBS Single-X V6_00_07
  • MBS Double-X CAN V6_00_07
  • MBS Double-X DALI V6_00_07
  • MBS Double-X KNX V6_00_07
  • MBS Double-X LON V6_00_07
  • MBS Double-X M-Bus V6_00_07
  • MBS Double-X PROFINET V6_00_07
  • MBS Double-X x-link V6_00_07
  • MBS Triple-X KNX+DALI V6_00_07
  • MBS Triple-X KNX+LON V6_00_07
  • MBS Triple-X KNX+M-Bus V6_00_07
  • MBS Triple-X PROFINET+DALI V6_00_07
  • MBS Triple-X PROFINET+KNX V6_00_07
  • MBS Triple-X PROFINET+LON V6_00_07
  • MBS Triple-X PROFINET+M-Bus V6_00_07

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
5 mo ago

Exploit prediction

0.46% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 4.0 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CNA 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA 4.0 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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

Affected products

  • MBS Single-A
  • MBS Double-A Profibus
  • MBS Double-A x-link
  • MBS Single-X
  • MBS Double-X CAN
  • MBS Double-X DALI
  • MBS Double-X KNX
  • MBS Double-X LON
  • MBS Double-X M-Bus
  • MBS Double-X PROFINET
  • MBS Double-X x-link
  • MBS Triple-X KNX+DALI
  • MBS Triple-X KNX+LON
  • MBS Triple-X KNX+M-Bus
  • MBS Triple-X PROFINET+DALI
  • MBS Triple-X PROFINET+KNX
  • MBS Triple-X PROFINET+LON
  • MBS Triple-X PROFINET+M-Bus

Classification

Weakness
  • CWE-121 Stack-based Buffer Overflow

References

Sources

Fencer Vulns 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.