What is the CVSS score of CVE-2023-39750?

CVE-2023-39750 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 12.8%.

Is there a public PoC exploit available for CVE-2023-39750?

Yes, a public proof-of-concept exploit is available for CVE-2023-39750. Prioritise patching immediately. EPSS: 12.8%.

Dap 2660 Firmware CVE-2023-39750

CRITICAL

Classic Buffer Overflow (CWE-120)

2023-08-21 cve@mitre.org

Buffer Overflow D-Link Dap 2660 Firmware

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

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:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Aug 21, 2023 - 03:15 nvd

CRITICAL 9.8

DescriptionNVD

D-Link DAP-2660 v1.13 was discovered to contain a buffer overflow via the f_ipv6_enable parameter at /bsc_ipv6. This vulnerability is exploited via a crafted POST request.

AnalysisAI

D-Link DAP-2660 v1.13 was discovered to contain a buffer overflow via the f_ipv6_enable parameter at /bsc_ipv6. Rated critical severity (CVSS 9.8), 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. D-Link DAP-2660 v1.13 was discovered to contain a buffer overflow via the f_ipv6_enable parameter at /bsc_ipv6. This vulnerability is exploited via a crafted POST request. Affected products include: Dlink Dap-2660 Firmware.

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.