How severe is CVE-2026-6014?

CVE-2026-6014 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-2026-6014 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-6014?

CVE-2026-6014 affects Dlink Dir-513 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-6014?

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-2026-6014 have an EU (EUVD) identifier?

Yes. CVE-2026-6014 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21310.

When was CVE-2026-6014 published?

CVE-2026-6014 was published on 2026-04-10 and last updated on 2026-06-17.

CVE-2026-6014

CVE-2026-6014 is a high-severity vulnerability in Dlink Dir-513 Firmware 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: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-21310
Weakness: CWE-119
Affected product: Dlink Dir-513 Firmware
Published: 2026-04-10
Last modified: 2026-06-17

Description

A flaw has been found in D-Link DIR-513 1.10. This issue affects the function formAdvanceSetup of the file /goform/formAdvanceSetup of the component POST Request Handler. This manipulation of the argument webpage causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been published and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

Frequently asked questions

What is CVE-2026-6014?: A flaw has been found in D-Link DIR-513 1.10. This issue affects the function formAdvanceSetup of the file /goform/formAdvanceSetup of the component POST Request Handler. This manipulation of the argument webpage causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been published and may be used. This vulnerability only affects products that are no longer supported by the maintainer.
How severe is CVE-2026-6014?: CVE-2026-6014 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-2026-6014 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-6014?: CVE-2026-6014 affects Dlink Dir-513 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-6014?: 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-2026-6014 have an EU (EUVD) identifier?: Yes. CVE-2026-6014 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21310.
When was CVE-2026-6014 published?: CVE-2026-6014 was published on 2026-04-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:dir-513_firmware:1.10:*:*:*:*:*:*:*

More vulnerabilities in Dlink Dir-513 Firmware

CVE-2025-70245 — Critical (CVSS 9.8): Stack buffer overflow vulnerability in D-Link DIR-513 v1.10 via the curTime parameter to goform/formSetWizardSelectMode.
CVE-2025-70233 — Critical (CVSS 9.8): Stack buffer overflow vulnerability in D-Link DIR-513 v1.10 via the curTime parameter to goform/formSetEnableWizard.
CVE-2025-70232 — Critical (CVSS 9.8): Stack buffer overflow vulnerability in D-Link DIR-513 v1.10 via the curTime parameter to goform/formSetMACFilter.
CVE-2025-70231 — Critical (CVSS 9.8): D-Link DIR-513 version 1.10 contains a critical-level vulnerability. When processing POST requests related to…
CVE-2025-70230 — Critical (CVSS 9.8): Stack buffer overflow vulnerability in D-Link DIR-513 v1.10 via the curTime parameter to goform/formSetDDNS.
CVE-2025-70229 — Critical (CVSS 9.8): Stack buffer overflow vulnerability in D-Link DIR-513 v1.10 via the curTime parameter to goform/formSchedule.

All CVEs affecting Dlink Dir-513 Firmware →

Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

CVE-2026-2778 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in…
CVE-2026-2776 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability…
CVE-2025-1866 — Critical (CVSS 10.0): Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in warmcat libwebsockets allows…
CVE-2022-27625 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2022-27624 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2020-11896 — Critical (CVSS 10.0): The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.

Browse all CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities →