How severe is CVE-2019-13264?

CVE-2019-13264 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-13264 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-13264?

CVE-2019-13264 affects Dlink Dir-825/ac G1 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-13264?

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.

When was CVE-2019-13264 published?

CVE-2019-13264 was published on 2019-08-27 and last updated on 2026-06-17.

CVE-2019-13264

CVE-2019-13264 is a high-severity vulnerability in Dlink Dir-825/ac G1 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.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 5.8
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Dlink Dir-825/ac G1 Firmware
Published: 2019-08-27
Last modified: 2026-06-17

Description

D-link DIR-825AC G1 devices have Insufficient Compartmentalization between a host network and a guest network that are established by the same device. In order to transfer data from the host network to the guest network, the sender joins and then leaves an IGMP group. After it leaves, the router (following the IGMP protocol) creates an IGMP Membership Query packet with the Group IP and sends it to both the Host and the Guest networks. The data is transferred within the Group IP field, which is completely controlled by the sender.

Frequently asked questions

What is CVE-2019-13264?: D-link DIR-825AC G1 devices have Insufficient Compartmentalization between a host network and a guest network that are established by the same device. In order to transfer data from the host network to the guest network, the sender joins and then leaves an IGMP group. After it leaves, the router (following the IGMP protocol) creates an IGMP Membership Query packet with the Group IP and sends it to both the Host and the Guest networks. The data is transferred within the Group IP field, which is completely controlled by the sender.
How severe is CVE-2019-13264?: CVE-2019-13264 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-13264 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-13264?: CVE-2019-13264 affects Dlink Dir-825/ac G1 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-13264?: 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.
When was CVE-2019-13264 published?: CVE-2019-13264 was published on 2019-08-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:dir-825\/ac_g1_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Dlink Dir-825/ac G1 Firmware

CVE-2019-13265 — High (CVSS 8.8): D-link DIR-825AC G1 devices have Insufficient Compartmentalization between a host network and a guest network that are…
CVE-2019-13263 — High (CVSS 8.8): D-link DIR-825AC G1 devices have Insufficient Compartmentalization between a host network and a guest network that are…

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