CVE-2026-25832
3.7
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Summary
In Mbed TLS 3.6.x before 3.6.7 and 4.1.x before 4.1.2, the TLS 1.3 client accepts HelloRetryRequest selecting an unadvertised group.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| TrustedFirmware | Mbed TLS | 3.5.0 < 3.6.7 | affected |
| TrustedFirmware | Mbed TLS | 4.0.0 < 4.1.2 | affected |
Weaknesses
- CWE-669: CWE-669 Incorrect Resource Transfer Between Spheres
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://mbed-tls.readthedocs.io/en/latest/security-advisories/
- https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2026-07-tls13-hrr-unadvertised-group/
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