Is CVE-2026-30817 in the CISA KEV catalog?

No. CVE-2026-30817 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-30817?

CVE-2026-30817 has a CVSS v3 base score of 5.7 (MEDIUM).

What is the EPSS score for CVE-2026-30817?

CVE-2026-30817 has an EPSS score of 0.28% (19th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-30817?

Upgrade archer ax53 firmware to 1.7.1 or later.

CVE & CISA-KEV Catalog

CVE-2026-30817

MEDIUM

5.7

CVSS v3

NVD

Description

An external configuration control vulnerability in the OpenVPN module of TP-Link AX53 v1.0 allows an authenticated adjacent attacker to read arbitrary files when a malicious configuration file is processed. Successful exploitation may allow unauthorized access to arbitrary files on the device, potentially exposing sensitive information.This issue affects AX53 v1.0: before 1.7.1 Build 20260213.

CWE-15 CWE-610

How to fix

Remediation Available

archer ax53 firmwareNVD

Affected:< 1.7.1Fixed in:1.7.1CVE-2026-30817derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorAdjacent

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

0.28%probability of exploitation in 30 days

19thpercentile

Low risk: more likely to be exploited than 19% of all known CVEs.

References

Vendor Advisory1

tp-link.com

Third-Party Advisory1

talosintelligence.com

Product2

Other references1

talosintelligence.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-07.