Is there a public PoC exploit available for CVE-2018-25322?

Yes, a public proof-of-concept exploit is available for CVE-2018-25322. Prioritise patching immediately. EPSS: 0.0%.

Fast Avi Mpeg Splitter CVE-2018-25322

Q: What is the CVSS score of CVE-2018-25322?

CVE-2018-25322 has a CVSS 4.0 base score of 8.6 (High). CVSS vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.0%.

EUVD-2018-21843 HIGH

Stack-based Buffer Overflow (CWE-121)

2026-05-17 VulnCheck

GHSA-4jxc-fp5r-3g28

Stack Overflow Buffer Overflow RCE Fast Avi Mpeg Splitter

8.6

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

8.6 HIGH

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

CVSS changed

May 17, 2026 - 13:22 NVD

8.4 (HIGH) 8.6 (HIGH)

CVE Published

May 17, 2026 - 12:11 cve.org

HIGH 8.6

DescriptionCVE.org

Allok Fast AVI MPEG Splitter 1.2 contains a stack based buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying a malicious license name string. Attackers can craft a payload with 780 bytes of junk data followed by structured shellcode and place it in the License Name field to trigger the overflow and execute code with application privileges.

AnalysisAI

Allok Fast AVI MPEG Splitter 1.2 contains a stack based buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying a malicious license name string. Rated high severity (CVSS 8.6), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-121. Allok Fast AVI MPEG Splitter 1.2 contains a stack based buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying a malicious license name string. Attackers can craft a payload with 780 bytes of junk data followed by structured shellcode and place it in the License Name field to trigger the overflow and execute code with application privileges. Affected products include: Alloksoft Fast Avi Mpeg Splitter.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.