CVE-2025-10225 Incorrect Memory Allocation in OpenSSL-Based Session Module in AxxonSoft Axxon One (C-Werk)

What is CVE-2025-10225?

CVE-2025-10225 is a high-severity memory corruption vulnerability in AxxonSoft AxxonOne C-Werk, published on 10 Sep 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Improper Restriction of Operations within the Bounds of a Memory Buffer (CWE-119) in the OpenSSL-based session module in AxxonSoft Axxon One (C-Werk) 2.0.6 and earlier on Windows allows a remote attacker under high load conditions to cause application crashes or unpredictable behavior via triggering memory reallocation errors when handling expired session keys.

Weakness: CWE-119

Which versions are affected by CVE-2025-10225?

It affects 1 product.

Products include Axxonsoft Axxon One.

How do I fix CVE-2025-10225?

No fix has been published for CVE-2025-10225 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2025-10225 being exploited?

There is no known exploitation of CVE-2025-10225 in the wild and no public exploit code.

Other vulnerabilities in AxxonSoft AxxonOne C-Werk

• CVE-2025-10220 Outdated Third-Party NuGet Packages in AxxonSoft Axxon One VMS 2.0.0 through 2.0.4 Critical 9.3
• CVE-2025-10226 Supply chain in AxxonOne C-Werk Critical 9.3
• CVE-2025-10221 Hardcoded Password Exposure in AxxonNet (C-WerkNet) ARP Agent Logs Medium 6.7
• CVE-2025-10223 Improper Session Cleanup on Role Removal in Web Admin Panel in AxxonSoft Axxon One (C-Werk) Medium 5.3
• CVE-2025-10224 Incorrect Evaluation of LDAP Nested Groups during Login in AxxonSoft Axxon One (C-Werk) Medium 5.3

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-vjj8-hw6c-w6xm.