CVE-2026-25834 | BDVDB-2026-324172 Detail

Description#

Mbed TLS v3.3.0 up to 3.6.5 and 4.0.0 allows Algorithm Downgrade.

Per CVSS v3.1: confidentiality impact none, integrity impact low, availability impact low. Attack vector: network.

No public exploit known

6.5 Medium

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 3.4.

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Not classified

No specific action is recorded in the source data. Check the references for vendor guidance.

No version data in the source record.

Not available

6.5 Medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Not available

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).