Vulnerability · CVE-2025-10457
The function responsible for handling BLE connection responses does not verify whether a response is expected—that is, whether the device has initiated a connection request.
Published Sep 19, 2025 · catalog updated Oct 13, 2026 · Zephyr
Last checked Oct 23, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2025-10457. EPSS is 0.40%. Act only if a listed version of Zephyr 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-2025-9408 · High
- CVE-2025-12890 · Medium
- CVE-2025-10456 · High
- CVE-2025-10458 · High
- CVE-2025-7403 · High
- Severity
- Medium4.3
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.40%
- Remediation
- Version ranges on file
- Affected products
- vendor zephyrproject-rtos Zephyr * <4.3.0
The function responsible for handling BLE connection responses does not verify whether a response is expected—that is, whether the device has initiated a connection request. Instead, it relies solely on identifier matching.
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 zephyrproject-rtos Zephyr * <4.3.0* <4.3.0
How to fix CVE-2025-10457
Upgrade
CVE-2025-10457 lists a fix boundary at 4.3.0. Compare the installed build with that boundary before you change production.
Version check
Seen in * <4.3.0
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-2025-10457. EPSS is 0.40%. Act only if a listed version of Zephyr is installed.
Which versions are affected?
Compare what you have installed with zephyrproject-rtos Zephyr * <4.3.0 * <4.3.0. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.40%. 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.
Timeline
Detection, updates, and resolution for this record.
Sep 19, 2025 · EUVD
Detected
The function responsible for handling BLE connection responses does not verify whether a response is expected—that is, whether the device has initiated a connection request. Instead, it relies solely on identifier matching.
Oct 13, 2026 · EUVD
Updated
The function responsible for handling BLE connection responses does not verify whether a response is expected—that is, whether the device has initiated a connection request. Instead, it relies solely on identifier matching.
Sources
- CVE.orgVulnerability recordCVE-2025-10457
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-10457
30-day exploitation probability 0.40%
first.org - EUVDVulnerability recordEUVD-2025-30236
The function responsible for handling BLE connection responses does not verify whether a response is expected—that is, whether the device has initiated a connection request. Instead, it relies solely on identifier matching.
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Oct 23, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSOct 23, 2026
- CVE.orgOct 22, 2026
- EUVDOct 22, 2026