CVE-2026-67281

Katalog CVE

CVSS 7.5 · High EPSS 0,73%

Kerentanan Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') pada mikrotik routeros. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

RouterOS WebFig contains an unauthenticated file-read vulnerability in the /jsproxy path where a newly allocated session retains a stale uninitialized principal pointer used for file authorization. An unauthenticated attacker can prepare the allocator so that the file-serving path dereferences this pointer with sufficient rights, then supply parent-directory components in an encrypted URI to escape the WebFig file namespace and disclose root-owned files, including configuration stores containing credentials.This issue affects only 7.x branch was fixed in versions: 7.23.4 (Long-term) and 7.24.2 (Stable)

Rincian

Terbit di NVD

5 September 2026

Terakhir diubah

25 September 2026

Status NVD

Analyzed

CVSS 3.1

7.5 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CWE-824: Access of Uninitialized Pointer

EPSS (30 hari)

0,73% peluang dieksploitasi; lebih tinggi dari 52,8% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://mikrotik.com/supportsec/september-2026-vulnerability/ advisory vendor
• https://cert.pl/en/posts/2026/09/vulnerabilities-in-mikrotik-routeros-actively-exploited/ mitigasi · advisory pihak ketiga
• https://cert.pl/en/posts/2026/09/mikrotik-routeros-cve advisory pihak ketiga
• https://npratley.net/reversing-mikrotiks-silent-patch-the-routeros-7-23-4-fix-they-wouldnt-explain/ exploit · advisory pihak ketiga
• https://forum.mikrotik.com/t/7-23-4-long-term-is-released/272801 release notes
• https://forum.mikrotik.com/t/7-24-2-stable-is-released/272800 release notes