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% (63rd 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 2026-06-17.

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% (63rd 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: 2026-06-17

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% (63rd 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 2026-06-17.

References

Affected products (1)

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

More vulnerabilities in Tp-link Archer Ax53 Firmware

CVE-2025-15608 — Critical (CVSS 9.8): This vulnerability in AX53 v1 results from insufficient input sanitization in the device’s probe handling logic,…
CVE-2025-15607 — Critical (CVSS 9.8): A command injection vulnerability on AX53 v1 occurs in mscd debug functionality due to insufficient input handling,…
CVE-2026-0834 — High (CVSS 8.8): Logic vulnerability in TP-Link Archer C20 v5, 6.0, Archer AX53 v1.0 and TL-WR841N v13 (TDDP module) allows…
CVE-2025-62501 — High (CVSS 8.1): SSH Hostkey misconfiguration vulnerability in TP-Link Archer AX53 v1.0 (tmpserver modules) allows attackers to obtain…
CVE-2026-30818 — High (CVSS 8.0): An OS command injection vulnerability in the dnsmasq module of TP-Link Archer AX53 v1.0 allows an authenticated…
CVE-2026-30814 — High (CVSS 8.0): A stack-based buffer overflow in the tmpServer module of TP-Link Archer AX53 v1.0 allows an authenticated adjacent…

All CVEs affecting Tp-link Archer Ax53 Firmware →

Other CWE-78 (OS Command Injection) vulnerabilities

CVE-2026-56004 — Critical (CVSS 10.0): A shellcode injection in the mercurial handler of the obs tar_scm source service before version 0.12.4 could be used by…
CVE-2026-56415 — Critical (CVSS 10.0): Storage Concentrator (SC & SCVM) contains a command injection vulnerability within the debug.pl script that is…
CVE-2026-56413 — Critical (CVSS 10.0): Storage Concentrator (SC & SCVM) contains a command injection vulnerability in the ms_service.pl service, which listens…
CVE-2026-49869 — Critical (CVSS 10.0): Kestra is an open-source, event-driven orchestration platform. Prior to 1.0.45 and 1.3.21, AuthenticationFilter in…
CVE-2026-49261 — Critical (CVSS 10.0): MariaDB server is a community developed fork of MySQL server. Versions 10.6.1 through 10.6.26, 10.11.1 through…
CVE-2026-10520 — Critical (CVSS 10.0): An OS Command Injection vulnerability in Ivanti Sentry before the R10.5.2, R10.6.2 and R10.7.1 versions allows a…

Browse all CWE-78 (OS Command Injection) vulnerabilities →