How severe is CVE-2023-39749?

CVE-2023-39749 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-2023-39749 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-39749?

CVE-2023-39749 affects Dlink Dap-2660 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-39749?

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-2023-39749 published?

CVE-2023-39749 was published on 2023-08-21 and last updated on 2026-06-17.

CVE-2023-39749

CVE-2023-39749 is a critical-severity vulnerability in Dlink Dap-2660 Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-120.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (58th 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 component /adv_resource. This vulnerability is exploited via a crafted GET request.

Frequently asked questions

What is CVE-2023-39749?: D-Link DAP-2660 v1.13 was discovered to contain a buffer overflow via the component /adv_resource. This vulnerability is exploited via a crafted GET request.
How severe is CVE-2023-39749?: CVE-2023-39749 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-2023-39749 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-39749?: CVE-2023-39749 affects Dlink Dap-2660 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-39749?: 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-2023-39749 published?: CVE-2023-39749 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-2023-39750 — Critical (CVSS 9.8): D-Link DAP-2660 v1.13 was discovered to contain a buffer overflow via the f_ipv6_enable parameter at /bsc_ipv6. This…
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,…

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