How severe is CVE-2023-37791?

CVE-2023-37791 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-2023-37791 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-37791?

CVE-2023-37791 affects Dlink Dir-619l Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-37791?

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-2023-37791 published?

CVE-2023-37791 was published on 2023-07-17 and last updated on 2026-06-17.

CVE-2023-37791

CVE-2023-37791 is a critical-severity vulnerability in Dlink Dir-619l Firmware with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 12% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-787.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 12% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Dlink Dir-619l Firmware
Published: 2023-07-17
Last modified: 2026-06-17

Description

D-Link DIR-619L v2.04(TW) was discovered to contain a stack overflow via the curTime parameter at /goform/formLogin.

Frequently asked questions

What is CVE-2023-37791?: D-Link DIR-619L v2.04(TW) was discovered to contain a stack overflow via the curTime parameter at /goform/formLogin.
How severe is CVE-2023-37791?: CVE-2023-37791 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-2023-37791 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-37791?: CVE-2023-37791 affects Dlink Dir-619l Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-37791?: 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-2023-37791 published?: CVE-2023-37791 was published on 2023-07-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:dir-619l_firmware:2.04:*:*:*:*:*:*:*

More vulnerabilities in Dlink Dir-619l Firmware

CVE-2023-43869 — Critical (CVSS 9.8): D-Link DIR-619L B1 2.02 is vulnerable to Buffer Overflow via formSetWAN_Wizard56 function.
CVE-2020-19320 — Critical (CVSS 9.8): Buffer overflow vulnerability in DLINK 619L version B 2.06beta via the curTime parameter on login.
CVE-2020-19319 — Critical (CVSS 9.8): Buffer overflow vulnerability in DLINK 619L version B 2.06beta via the FILECODE parameter on login.
CVE-2014-8361 — Critical (CVSS 9.8): The miniigd SOAP service in Realtek SDK allows remote attackers to execute arbitrary code via a crafted…
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