How severe is CVE-2023-39674?

CVE-2023-39674 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-2023-39674 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-39674?

CVE-2023-39674 affects Dlink Dir-880l A1 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-39674?

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-2023-39674 published?

CVE-2023-39674 was published on 2023-08-18 and last updated on 2026-06-17.

CVE-2023-39674

CVE-2023-39674 is a critical-severity vulnerability in Dlink Dir-880l A1 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% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Dlink Dir-880l A1 Firmware
Published: 2023-08-18
Last modified: 2026-06-17

Description

D-Link DIR-880 A1_FW107WWb08 was discovered to contain a buffer overflow via the function fgets.

Frequently asked questions

What is CVE-2023-39674?: D-Link DIR-880 A1_FW107WWb08 was discovered to contain a buffer overflow via the function fgets.
How severe is CVE-2023-39674?: CVE-2023-39674 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-2023-39674 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-39674?: CVE-2023-39674 affects Dlink Dir-880l A1 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-39674?: 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-2023-39674 published?: CVE-2023-39674 was published on 2023-08-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:dir-880l_a1_firmware:107wwb08:*:*:*:*:*:*:*

More vulnerabilities in Dlink Dir-880l A1 Firmware

CVE-2023-39671 — Critical (CVSS 9.8): D-Link DIR-880 A1_FW107WWb08 was discovered to contain a buffer overflow via the function FUN_0001be68.
CVE-2023-39669 — High (CVSS 7.5): D-Link DIR-880 A1_FW107WWb08 was discovered to contain a NULL pointer dereference in the function FUN_00010824.

All CVEs affecting Dlink Dir-880l A1 Firmware →

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