Vulnerability · CVE-2025-12603
/etc/timezone can be Arbitrarily Written.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.
Published Nov 1, 2025 · catalog updated Nov 3, 2025 · Azure Access Technology BLU-IC4
Last checked Nov 1, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2025-12603. EPSS is 0.30%. Act only if a listed version of Azure Access Technology BLU-IC4 is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2025-12602 · Low
- CVE-2025-12600 · Critical
- CVE-2025-12599 · Critical
- CVE-2025-12554 · Medium
- CVE-2025-12553 · Critical
- Severity
- Low2.3
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.30%
- Remediation
- Advisory link
- Affected products
- vendor Azure Access Technology BLU-IC4 0 ≤1.19.5
/etc/timezone can be Arbitrarily Written.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor Azure Access Technology BLU-IC4 0 ≤1.19.50 ≤1.19.5
How to fix CVE-2025-12603
No stored fix
No vendor fix text is stored. Use the linked advisory before you change production.
Version check
Seen in 0 ≤1.19.5
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2025-12603. EPSS is 0.30%. Act only if a listed version of Azure Access Technology BLU-IC4 is installed.
Which versions are affected?
Compare what you have installed with Azure Access Technology BLU-IC4 0 ≤1.19.5 0 ≤1.19.5. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.30%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Nov 1, 2025 · EUVD
Detected
/etc/timezone can be Arbitrarily Written.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.
Nov 3, 2025 · EUVD
Updated
/etc/timezone can be Arbitrarily Written.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.
Sources
- CVE.orgVulnerability recordCVE-2025-12603
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-12603
30-day exploitation probability 0.30%
first.org - EUVDVulnerability recordEUVD-2025-37438
/etc/timezone can be Arbitrarily Written.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Nov 1, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSNov 1, 2026
- CVE.orgOct 25, 2026
- EUVDOct 25, 2026