How severe is CVE-2021-41753?

CVE-2021-41753 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2021-41753 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-41753?

CVE-2021-41753 primarily affects Dlink Dir-x1560 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-41753?

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-2021-41753 published?

CVE-2021-41753 was published on 2021-09-27 and last updated on 2026-06-17.

CVE-2021-41753

CVE-2021-41753 is a high-severity vulnerability in Dlink Dir-x1560 Firmware with a CVSS 3.x base score of 7.5. 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-290.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-290
Affected product: Dlink Dir-x1560 Firmware
Published: 2021-09-27
Last modified: 2026-06-17

Description

A denial-of-service attack in WPA2, and WPA3-SAE authentication methods in D-Link DIR-X1560, v1.04B04, and DIR-X6060, v1.11B04 allows a remote unauthenticated attacker to disconnect a wireless client via sending specific spoofed SAE authentication frames.

Frequently asked questions

What is CVE-2021-41753?: A denial-of-service attack in WPA2, and WPA3-SAE authentication methods in D-Link DIR-X1560, v1.04B04, and DIR-X6060, v1.11B04 allows a remote unauthenticated attacker to disconnect a wireless client via sending specific spoofed SAE authentication frames.
How severe is CVE-2021-41753?: CVE-2021-41753 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2021-41753 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-41753?: CVE-2021-41753 primarily affects Dlink Dir-x1560 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-41753?: 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-2021-41753 published?: CVE-2021-41753 was published on 2021-09-27 and last updated on 2026-06-17.

References

https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10243

Affected products (2)

cpe:2.3:o:dlink:dir-x1560_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dir-x6060_firmware:*:*:*:*:*:*:*:*

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