CVE-2026-5511

CVE-2026-5511 is a low-severity vulnerability in Tp-link Archer Ax72 Firmware with a CVSS 3.x base score of 2.7. 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-209.

Key facts

Description

In the web management interface of Archer AX72 (SG) v1, the network diagnostic feature improperly handles invalid user input, resulting in limited exposure of diagnostic command usage information.  An authenticated attacker with administrative privileges could exploit this issue to confirm the presence of the diagnostic utility and view its valid command-line syntax and options.  The exposed information is limited in scope and does not include sensitive system data.

Frequently asked questions

What is CVE-2026-5511?
In the web management interface of Archer AX72 (SG) v1, the network diagnostic feature improperly handles invalid user input, resulting in limited exposure of diagnostic command usage information.  An authenticated attacker with administrative privileges could exploit this issue to confirm the presence of the diagnostic utility and view its valid command-line syntax and options.  The exposed information is limited in scope and does not include sensitive system data.
How severe is CVE-2026-5511?
CVE-2026-5511 has a CVSS 3.x base score of 2.7, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-5511 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-5511?
CVE-2026-5511 affects Tp-link Archer Ax72 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-5511?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-5511 have an EU (EUVD) identifier?
Yes. CVE-2026-5511 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30955.
When was CVE-2026-5511 published?
CVE-2026-5511 was published on 2026-05-19 and last updated on 2026-06-17.

References

Affected products (1)

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