Buffer overflow in D-link Dir-619l
CVE-2026-4188
A security flaw has been discovered in D-Link DIR-619L 2.06B01. The affected element is the function formSchedule of the file /goform/formSchedule of the component boa. Performing a manipulation of the argument curTime results in stack-bas…
Vulnerability class: Buffer Overflow
EPSS: 0.001 (20.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R.
Affected products
- D-link Dir-619l — versions 2.06B01
Weakness classification (CWE)
References
- VDB-351094 | D-Link DIR-619L boa formSchedule stack-based overflow (vdb-entry, technical-description)
- VDB-351094 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #769833 | D-Link DIR619L 2.06B01 Stack-based Buffer Overflow (third-party-advisory)
- github.com/wudipjq/my_vuln/blob/main/D-Link7/vuln_89/89.md (exploit)
- www.dlink.com/ (product)
Frequently asked questions
- What is CVE-2026-4188?
- CVE-2026-4188 is a high-severity vulnerability in D-link Dir-619l, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2026-03-15.
- How severe is CVE-2026-4188?
- High severity. CVSS v3 base score is 8.8 out of 10.