What is the CVSS score of CVE-2023-41603?

CVE-2023-41603 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:L/I:N/A:N. EPSS exploitation probability: 0.2%.

Which versions of R15 Firmware are affected by CVE-2023-41603?

Organizations using D-Link R15 before v1.08.02 should be aware of moderate risk from CVE-2023-41603, a improper access control vulnerability rated CVSS 5.3.. A patch is available.

How to fix or mitigate CVE-2023-41603?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Vendor patch is available.

R15 Firmware CVE-2023-41603

MEDIUM

Improper Access Control (CWE-284)

2024-01-10 cve@mitre.org

Authentication Bypass D-Link R15 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:L/I:N/A:N

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:L/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:34 vuln.today

Patch released

Mar 28, 2026 - 19:34 nvd

Patch available

CVE Published

Jan 10, 2024 - 08:15 nvd

MEDIUM 5.3

DescriptionCVE.org

D-Link R15 before v1.08.02 was discovered to contain no firewall restrictions for IPv6 traffic. This allows attackers to arbitrarily access any services running on the device that may be inadvertently listening via IPv6.

AnalysisAI

D-Link R15 before v1.08.02 was discovered to contain no firewall restrictions for IPv6 traffic. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Technical ContextAI

This vulnerability is classified under CWE-284. D-Link R15 before v1.08.02 was discovered to contain no firewall restrictions for IPv6 traffic. This allows attackers to arbitrarily access any services running on the device that may be inadvertently listening via IPv6. Affected products include: Dlink R15 Firmware.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.