CVE-2026-4188
CVE-2026-4188 is a high-severity vulnerability with a CVSS 3.x base score of 8.8. 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-119.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 9.0
- CVSS v4: 7.4
- EPSS exploit prediction: 0% (36th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-12247
- Weakness: CWE-119
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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-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.
- How severe is CVE-2026-4188?
- CVE-2026-4188 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-4188 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-4188?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-4188 have an EU (EUVD) identifier?
- Yes. CVE-2026-4188 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-12247.
- When was CVE-2026-4188 published?
- CVE-2026-4188 was published on 2026-03-16 and last updated on 2026-06-17.
References
- https://github.com/wudipjq/my_vuln/blob/main/D-Link7/vuln_89/89.md
- https://vuldb.com/?ctiid.351094
- https://vuldb.com/?id.351094
- https://vuldb.com/?submit.769833
- https://www.dlink.com/
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