How severe is CVE-2023-39750?

CVE-2023-39750 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-39750 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-39750?

CVE-2023-39750 affects Dlink Dap-2660 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-39750?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-39750 published?

CVE-2023-39750 was published on 2023-08-21 and last updated on 2026-06-17.

CVE-2023-39750

CVE-2023-39750 is a critical-severity vulnerability in Dlink Dap-2660 Firmware with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 13% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-120.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 13% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Dlink Dap-2660 Firmware
Published: 2023-08-21
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2023-39750?: 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.
How severe is CVE-2023-39750?: CVE-2023-39750 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-39750 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-39750?: CVE-2023-39750 affects Dlink Dap-2660 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-39750?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-39750 published?: CVE-2023-39750 was published on 2023-08-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:dap-2660_firmware:1.13:*:*:*:*:*:*:*

More vulnerabilities in Dlink Dap-2660 Firmware

CVE-2023-39749 — Critical (CVSS 9.8): D-Link DAP-2660 v1.13 was discovered to contain a buffer overflow via the component /adv_resource. This vulnerability…
CVE-2016-1558 — Critical (CVSS 9.8): Buffer overflow in D-Link DAP-2310 2.06 and earlier, DAP-2330 1.06 and earlier, DAP-2360 2.06 and earlier, DAP-2553 H/W…
CVE-2022-38873 — High (CVSS 7.5): D-Link devices DAP-2310 v2.10rc036 and earlier, DAP-2330 v1.06rc020 and earlier, DAP-2360 v2.10rc050 and earlier,…
CVE-2021-28840 — High (CVSS 7.5): Null Pointer Dereference vulnerability exists in D-Link DAP-2310 2.07.RC031, DAP-2330 1.07.RC028, DAP-2360 2.07.RC043,…
CVE-2021-28839 — High (CVSS 7.5): Null Pointer Dereference vulnerability exists in D-Link DAP-2310 2.07.RC031, DAP-2330 1.07.RC028, DAP-2360 2.07.RC043,…
CVE-2021-28838 — High (CVSS 7.5): Null pointer dereference vulnerability in D-Link DAP-2310 2,10RC039, DAP-2330 1.10RC036 BETA, DAP-2360 2.10RC055,…

All CVEs affecting Dlink Dap-2660 Firmware →

Other CWE-120 (Classic Buffer Overflow) vulnerabilities

CVE-2025-48611 — Critical (CVSS 10.0): In DeviceId of DeviceId.java, there is a possible desync in persistence due to a missing bounds check. This could lead…
CVE-2026-24823 — Critical (CVSS 10.0): Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in FASTSHIFT…
CVE-2026-24810 — Critical (CVSS 10.0): Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in rethinkdb (src/cjson modules).…
CVE-2026-24800 — Critical (CVSS 10.0): Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in tildearrow…
CVE-2025-9962 — Critical (CVSS 10.0): A buffer overflow vulnerability in Novakon P series allows attackers to gain root permission without prior…
CVE-2010-10016 — Critical (CVSS 10.0): BS.Player version 2.57 (build 1051) contains a vulnerability in its playlist import functionality. When processing .m3u…

Browse all CWE-120 (Classic Buffer Overflow) vulnerabilities →