CVE-2025-62525: openwrt before 24.10.4 (exclusive), < 24.10.4

CVE-2025-62525. CVSS 3.1 base score 8.8 (HIGH, NVD). EPSS 0.00189 (percentile 0.08048), scored 19-Oct-2026.

Affected technology

openwrt · before 24.10.4 (exclusive)
openwrt

openwrt · < 24.10.4
openwrt

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Local · Low privileges required · No user interaction required

Attack conditions (NVD, CVSS 3.1): Local · Low privileges required · No user interaction required

What an attacker can do

Local users could read and write arbitrary kernel memory using the ioctls of the ltq-ptm driver which is used to drive the datapath of the DSL line. Vendor/CNA’s CVSS 3.1 assessment (base score 7.9/10) rates confidentiality and integrity impact as low; availability impact as high. NVD’s CVSS 3.1 assessment (base score 8.8/10) rates confidentiality, integrity and availability impact as high.

Published 19-Oct-2026 17:58 UTC

CWE: CWE-20, CWE-125, CWE-787
CCR priority: 35.2 /100 (P4)
CVSS 3.1: 8.8 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H · NVD
EPSS: 0.00189 · percentile 0.08048 · 2026-10-19
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-19 17:57:47.606446+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2025-62525.html