How severe is CVE-2021-41450?

CVE-2021-41450 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-2021-41450 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-41450?

CVE-2021-41450 affects Tp-link Archer Ax10 V1 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-41450?

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-2021-41450 published?

CVE-2021-41450 was published on 2021-12-08 and last updated on 2026-07-05.

CVE-2021-41450

CVE-2021-41450 is a high-severity vulnerability in Tp-link Archer Ax10 V1 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-444.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-444
Affected product: Tp-link Archer Ax10 V1 Firmware
Published: 2021-12-08
Last modified: 2026-07-05

Description

An HTTP request smuggling attack in TP-Link AX10v1 before v1_211117 allows a remote unauthenticated attacker to DoS the web application via sending a specific HTTP packet.

Frequently asked questions

What is CVE-2021-41450?: An HTTP request smuggling attack in TP-Link AX10v1 before v1_211117 allows a remote unauthenticated attacker to DoS the web application via sending a specific HTTP packet.
How severe is CVE-2021-41450?: CVE-2021-41450 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-2021-41450 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-41450?: CVE-2021-41450 affects Tp-link Archer Ax10 V1 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-41450?: 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-2021-41450 published?: CVE-2021-41450 was published on 2021-12-08 and last updated on 2026-07-05.

References

Affected products (1)

cpe:2.3:o:tp-link:archer_ax10_v1_firmware:*:*:*:*:*:*:*:*

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