What is CVE-2023-43869?

CVE-2023-43869 is a critical-severity vulnerability in Dlink Dir-619l, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-09-28.

How severe is CVE-2023-43869?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2023-43869 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Dlink Dir-619l

CVE-2023-43869

D-Link DIR-619L B1 2.02 is vulnerable to Buffer Overflow via formSetWAN_Wizard56 function.

Vulnerability class: Buffer Overflow

EPSS: 0.010 (56.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Dlink Dir-619l — versions b1
Dlink Dir-619l_firmware — versions 2.02
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

cve@mitre.org (Vendor Advisory)
cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-43869?: CVE-2023-43869 is a critical-severity vulnerability in Dlink Dir-619l, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-09-28.
How severe is CVE-2023-43869?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-43869 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.