CVE-2026-63089

Katalog CVE

CVSS 9.3 · Critical EPSS 0,41%

Kerentanan Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG). Skor CVSS 3.1 9.3 (Critical) menurut vulncheck.com.

Deskripsi (NVD)

WireGuard Easy through 15.3.0, fixed in commit 66b292b, contains a cryptographically weak one-time link token generation vulnerability that allows unauthenticated network attackers to recover WireGuard peer credentials by brute-forcing a keyspace of at most 1000 candidate tokens per client ID, as the token is computed using CRC32 over a random value constrained to 0-999. Attackers can enumerate candidate tokens against the unauthenticated /cnf/:oneTimeLink route, which lacks rate limiting and does not validate token expiration, to obtain a peer's PrivateKey and PresharedKey and impersonate that peer on the VPN network.

Rincian

Terbit di NVD

16 Juli 2026

Terakhir diubah

18 Juli 2026

Status NVD

Deferred

CVSS 3.1

9.3 (Critical), sumber vulncheck.com
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-338: Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
CWE-613: Insufficient Session Expiration

EPSS (30 hari)

0,41% peluang dieksploitasi; lebih tinggi dari 33,9% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• https://github.com/wg-easy/wg-easy/commit/66b292b11bde3664f05ffb016c8082665d261ded
• https://github.com/wg-easy/wg-easy/pull/2661
• https://www.vulncheck.com/advisories/wireguard-easy-weak-token-generation-information-disclosure-via-otl-route