High severity · published Jan 6, 2026
CVE-2025-15382
Client SCP Request Triggers Buffer Overread by 1 Byte
8.1
CVSS
0.4%
EPSS
No
On KEV
Description
A heap buffer over-read vulnerability exists in the wolfSSH_CleanPath() function in wolfSSH. An authenticated remote attacker can trigger the issue via crafted SCP path input containing '/./' sequences, resulting in a heap over read by 1 byte.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 29% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WO
wolfSSH · wolfSSL
1.4.12 before 1.4.21 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-15382
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-15382
Issue Tracking
https://github.com/wolfSSL/wolfssh/pull/859
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