CVE•Published 2026-03-19•Modified 2026-04-29•0 articles on news•6 live references•NVD data

CVE-2026-3503Wolfssl · Wolfssl

Vulnerability data via NVD (ingested)

CVSS v3.1

5.2

MEDIUM

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

EPSS percentile

Exploit Prediction Scoring System · top 99% of all CVEs

Weaknesses (CWE)

CWE-335Incorrect Usage of Seeds in Pseudo-Random Number Generator (PRNG)

Description

Protection mechanism failure in wolfCrypt post-quantum implementations (ML-KEM and ML-DSA) in wolfSSL on ARM Cortex-M microcontrollers allows a physical attacker to compromise key material and/or cryptographic outcomes via induced transient faults that corrupt or redirect seed/pointer values during Keccak-based expansion. This issue affects wolfSSL (wolfCrypt): commit hash d86575c766e6e67ef93545fa69c04d6eb49400c6.

Timeline

Published 2026-03-19

Modified 2026-04-29

External references

NVD MITRE Exploit-DB GitHub PoC Sploitus VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-3503

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Wolfssl Wolfssl"

All exposed Wolfssl Wolfssl instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Wolfssl"

HTTP body or banner mentions "Wolfssl" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2026-3503