What is the CVSS score of CVE-2025-15542?

CVE-2025-15542 has a CVSS 3.1 base score of 5.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L. EPSS exploitation probability: 0.1%.

Which versions of Vx800v Firmware are affected by CVE-2025-15542?

Organizations using VX800v should be aware of moderate risk from CVE-2025-15542 rated CVSS 5.3. Exploitation could compromise the security of affected deployments.

How to fix or mitigate CVE-2025-15542?

Within 30 days: Identify affected systems running VX800v and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Vx800v Firmware CVE-2025-15542

MEDIUM

Improper Check for Unusual or Exceptional Conditions (CWE-754)

2026-01-29 f23511db-6c3e-4e32-a477-6aa17d310630

Denial Of Service Vx800v Firmware

5.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.3 MEDIUM

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:00 vuln.today

CVE Published

Jan 29, 2026 - 19:16 nvd

MEDIUM 5.3

DescriptionCVE.org

Improper handling of exceptional conditions in VX800v v1.0 in SIP processing allows an attacker to flood the device with crafted INVITE messages, blocking all voice lines and causing a denial of service on incoming calls.

AnalysisAI

Technical ContextAI

Classified as CWE-754 (Improper Check for Unusual or Exceptional Conditions). Affects Vx800V Firmware. Improper handling of exceptional conditions in VX800v v1.0 in SIP processing allows an attacker to flood the device with crafted INVITE messages, blocking all voice lines and causing a denial of service on incoming calls.