CVE-2023-39750
Published: 21 August 2023
Summary
CVE-2023-39750 is a critical-severity Classic Buffer Overflow (CWE-120) vulnerability in Dlink Dap-2660 Firmware. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 3.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
D-Link DAP-2660 firmware version 1.13 contains a buffer overflow vulnerability in the handling of the f_ipv6_enable parameter at the /bsc_ipv6 endpoint. The flaw is classified under CWE-120 and carries a CVSS 3.1 score of 9.8, reflecting network-accessible exploitation without authentication or user interaction.
An unauthenticated attacker can send a crafted POST request to the affected endpoint and trigger memory corruption, potentially resulting in arbitrary code execution or denial of service on the wireless access point.
Public references point to D-Link security bulletins and a detailed technical report containing proof-of-concept material for the issue.
EPSS for the CVE rose from lower values to a peak of 0.5582 on 2026-04-16 before receding to the current score of 0.3276, indicating a period of increased exploitation interest after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-43450
Vulnerability details
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.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Platform-independent managed code eliminates the need for unchecked native buffer copies that are the root cause of classic buffer overflows.