How severe is CVE-2026-4486?

CVE-2026-4486 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-2026-4486 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-4486?

CVE-2026-4486 affects Dlink Dir-513 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-4486?

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-2026-4486 have an EU (EUVD) identifier?

Yes. CVE-2026-4486 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-13702.

When was CVE-2026-4486 published?

CVE-2026-4486 was published on 2026-03-20 and last updated on 2026-06-17.

CVE-2026-4486

CVE-2026-4486 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-787.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
CVSS v4: 7.4
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-13702
Weakness: CWE-787
Affected product: Dlink Dir-513 Firmware
Published: 2026-03-20
Last modified: 2026-06-17

Description

A vulnerability was found in D-Link DIR-513 1.10. This affects the function formEasySetPassword of the file /goform/formEasySetPassword of the component Web Service. The manipulation of the argument curTime results in stack-based buffer overflow. The attack may be performed from remote. The exploit has been made public and could be used. This vulnerability only affects products that are no longer supported by the maintainer.

Frequently asked questions

What is CVE-2026-4486?: A vulnerability was found in D-Link DIR-513 1.10. This affects the function formEasySetPassword of the file /goform/formEasySetPassword of the component Web Service. The manipulation of the argument curTime results in stack-based buffer overflow. The attack may be performed from remote. The exploit has been made public and could be used. This vulnerability only affects products that are no longer supported by the maintainer.
How severe is CVE-2026-4486?: CVE-2026-4486 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-2026-4486 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-4486?: CVE-2026-4486 affects Dlink Dir-513 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-4486?: 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-2026-4486 have an EU (EUVD) identifier?: Yes. CVE-2026-4486 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-13702.
When was CVE-2026-4486 published?: CVE-2026-4486 was published on 2026-03-20 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 →

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