CVE-2025-15382: wolfSSL wolfSSH · Out-of-bounds Read
Affects wolfSSL wolfSSHSource CVE Database V5
Not known to be exploited · CVSS 5.1 Medium : upgrade to 1.4.21 when convenient.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 28% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 1.4.21
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:N/VA:L/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 6 Jan 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.
What to do
Upgrade wolfSSL wolfSSH to 1.4.21.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| wolfSSLwolfSSH | Affected
| Fixed in
|
GitHubwolfssl/wolfsshpkg:github/wolfssl/wolfsshOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
2) Employ network segmentation and strict firewall rules to limit access to devices running wolfSSH. 3) Monitor SCP traffic for unusual path patterns containing '/./' sequences that could indicate exploitation attempts. 4) Implement application-level input validation or wrappers that sanitize SCP paths before passing them to wolfSSH. 6) Conduct thorough code audits and fuzz testing on wolfSSH integrations to detect similar path parsing issues. 7) Maintain robust logging and alerting to detect anomalous SCP usage patterns. These steps go beyond generic advice by focusing on access control, input validation, and proactive monitoring tailored to this vulnerability's characteristics.
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.