CVE-2026-25835

HIGH
MEDIUM Priority: 0.01 BB Relevance: 50/100
Published: 2026-04-01 Modified: 2026-11-11 First seen: 2026-11-11 Status: active

Attack Surface

Low Complexity No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Local
AC: Low
PR: None
UI: None
S: Unchanged
C: High
I: High
A: None

Description

Mbed TLS before 3.6.6 and TF-PSA-Crypto before 1.1.0 misuse seeds in a Pseudo-Random Number Generator (PRNG).

Weakness Classification (1)

Affected Software (3)

VendorProductVersion
arm mbed_tls 2.18.0 – 3.6.6
trustedfirmware mbed_tls 4.0.0
trustedfirmware tf-psa-crypto < 1.1.0

Bug Bounty Relevance

50 / 100
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

7.7 / 10.0 v3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS — Exploitation Probability

0.18%
Raw Score 0.001770
Percentile 7.3%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00177
2026-11-12
0.00177
2026-11-10
0.00177

Intelligence Sources

nvd ref →