Vulnerability · Published Mar 15, 2026 · Assigned by VulDB

CVE-2026-4188D-Link DIR-619L boa formSchedule stack-based overflow

High 8.8

In plain English

A high-severity stack buffer overflow in DIR-619L from D-Link. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)0.5%top 59.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

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-based buffer overflow. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. This vulnerability only affects products that are no longer supported by the maintainer.

Affected products (as reported)

Vendor	Product	Versions
D-Link	DIR-619L	2.06B01

Weakness: CWE-121, CWE-119 · 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

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
https://github.com/wudipjq/my_vuln/blob/main/D-Link7/vuln_89/89.md exploit
https://www.dlink.com/ product