How severe is CVE-2026-30815?

CVE-2026-30815 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-30815 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-30815?

CVE-2026-30815 affects Tp-link Archer Ax53 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-30815?

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-2026-30815 have an EU (EUVD) identifier?

Yes. CVE-2026-30815 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20544.

When was CVE-2026-30815 published?

CVE-2026-30815 was published on 2026-04-08 and last updated on 2026-07-25.

CVE-2026-30815

CVE-2026-30815 is a high-severity vulnerability in Tp-link Archer Ax53 Firmware with a CVSS 3.x base score of 8.0. 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-78.

Key facts

Severity: High (CVSS 3.x base score 8.0)
CVSS v4: 8.5
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-20544
Weakness: CWE-78
Affected product: Tp-link Archer Ax53 Firmware
Published: 2026-04-08
Last modified: 2026-07-25

Description

An OS command injection vulnerability in the OpenVPN module of TP-Link Archer AX53 v1.0 allows an authenticated adjacent attacker to execute system commands when a specially crafted configuration file is processed due to insufficient input validation. Successful exploitation may allow modification of configuration files, disclosure of sensitive information, or further compromise of device integrity. This issue affects AX53 v1.0: before 1.7.1 Build 20260213.

Frequently asked questions

What is CVE-2026-30815?: An OS command injection vulnerability in the OpenVPN module of TP-Link Archer AX53 v1.0 allows an authenticated adjacent attacker to execute system commands when a specially crafted configuration file is processed due to insufficient input validation. Successful exploitation may allow modification of configuration files, disclosure of sensitive information, or further compromise of device integrity. This issue affects AX53 v1.0: before 1.7.1 Build 20260213.
How severe is CVE-2026-30815?: CVE-2026-30815 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-30815 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-30815?: CVE-2026-30815 affects Tp-link Archer Ax53 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-30815?: 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-2026-30815 have an EU (EUVD) identifier?: Yes. CVE-2026-30815 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20544.
When was CVE-2026-30815 published?: CVE-2026-30815 was published on 2026-04-08 and last updated on 2026-07-25.

References

Affected products (1)

cpe:2.3:o:tp-link:archer_ax53_firmware:*:*:*:*:*:*:*:*

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