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Fencer Vulns
critical 9.8

CVE-2025-12516 json

Lack of Graceful Error Handling - HTTP 5xx Error

published 2025-10-30 12 mo ago modified 2026-10-18 22 d ago also EUVD-2025-37017

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 31%
public exploits
0
none known

Summary

Lack of Graceful Error Handling - HTTP 5xx ErrorThis issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5 .

Patch / fix

  • azure-access blu-ic2_firmware 1.20
  • azure-access blu-ic4_firmware 1.20

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
12 mo ago

Exploit prediction

0.37% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 4.0 10.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CNA 4.0 10.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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

  • Azure Access Technology BLU-IC2
  • Azure Access Technology BLU-IC4

Classification

Weakness
  • CWE-394 Unexpected Status Code or Return Value

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.