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CVE-2026-62947

MEDIUM Exploitation: PoC
4.9
CVSS 3.1
Description
OpenWrt is a Linux operating system targeting embedded devices. Prior to 25.12.5, the cgi-download handler in cgi-io authorizes the requested path against the caller's ubus session file ACL before canonicalization, and rpcd session.c uses fnmatch() without FNM_PATHNAME, allowing traversal such as an allowed wildcard prefix followed by ../ to read root-readable files including /etc/shadow. This vulnerability is fixed in 25.12.5.

Metadata

CVE ID
CVE-2026-62947
State
PUBLISHED
Assigner
GitHub_M
Reserved
2026-07-14 22:32 UTC
Published
2026-07-15 17:55 UTC
Last updated
2026-07-15 19:31 UTC
Primary CWE
CWE-22
CWE-22: Improper Limitation of a Pathname to a Restricted Di…
Vendor / Product
openwrt / openwrt
Sources
cve.org  ·  NVD

Severity & Metrics

4.9 MEDIUM CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
SSVC — CISA Coordinator
Exploitation
PoC
Automatable
no
Tech. Impact
partial
Affected products (1)
VendorProductPlatformVersions
openwrt openwrt — < 25.12.5
Weakness (CWE)
CWESourceDescription
CWE-22 cna CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVSS scores (1)
ScoreSeverityVersionSourceVector
4.9 MEDIUM 3.1 cna CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
References (4)
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