Is there a public PoC exploit available for CVE-2018-25294?

Yes, a public proof-of-concept exploit is available for CVE-2018-25294. Prioritise patching immediately. EPSS: 0.0%.

Cewe Photoshow CVE-2018-25294

Q: What is the CVSS score of CVE-2018-25294?

CVE-2018-25294 has a CVSS 4.0 base score of 8.7 (High). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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-2018-21814 HIGH

Classic Buffer Overflow (CWE-120)

2026-04-26 VulnCheck

Denial Of Service Buffer Overflow Cewe Photoshow

8.7

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

8.7 HIGH

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

PoC Detected

Apr 27, 2026 - 18:53 vuln.today

Public exploit code

CVSS changed

Apr 26, 2026 - 22:22 NVD

7.5 (HIGH) 8.7 (HIGH)

EUVD ID Assigned

Apr 26, 2026 - 13:30 euvd

EUVD-2018-21814

CVE Published

Apr 26, 2026 - 13:19 nvd

HIGH 8.7

DescriptionCVE.org

CEWE Photoshow 6.3.4 contains a buffer overflow vulnerability in the login dialog that allows attackers to crash the application by submitting oversized input. Attackers can inject 4000 bytes of data into the email address and password fields to trigger a denial of service condition.

AnalysisAI

CEWE Photoshow 6.3.4 contains a buffer overflow vulnerability in the login dialog that allows attackers to crash the application by submitting oversized input. Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. CEWE Photoshow 6.3.4 contains a buffer overflow vulnerability in the login dialog that allows attackers to crash the application by submitting oversized input. Attackers can inject 4000 bytes of data into the email address and password fields to trigger a denial of service condition. Affected products include: Cewe-Photoworld Cewe Photoshow.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.