How severe is CVE-2025-11389?

CVE-2025-11389 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-11389 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-11389?

CVE-2025-11389 affects Tenda Ac15 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-11389?

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-2025-11389 have an EU (EUVD) identifier?

Yes. CVE-2025-11389 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-32099.

When was CVE-2025-11389 published?

CVE-2025-11389 was published on 2025-10-07 and last updated on 2026-06-17.

CVE-2025-11389

CVE-2025-11389 is a high-severity vulnerability in Tenda Ac15 Firmware with a CVSS 3.x base score of 8.8. 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-119.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
CVSS v4: 7.4
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-32099
Weakness: CWE-119
Affected product: Tenda Ac15 Firmware
Published: 2025-10-07
Last modified: 2026-06-17

Description

A security flaw has been discovered in Tenda AC15 15.03.05.18. Affected is an unknown function of the file /goform/saveAutoQos. Performing a manipulation of the argument enable results in stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks.

Frequently asked questions

What is CVE-2025-11389?: A security flaw has been discovered in Tenda AC15 15.03.05.18. Affected is an unknown function of the file /goform/saveAutoQos. Performing a manipulation of the argument enable results in stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks.
How severe is CVE-2025-11389?: CVE-2025-11389 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-11389 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-11389?: CVE-2025-11389 affects Tenda Ac15 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-11389?: 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-2025-11389 have an EU (EUVD) identifier?: Yes. CVE-2025-11389 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-32099.
When was CVE-2025-11389 published?: CVE-2025-11389 was published on 2025-10-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:tenda:ac15_firmware:15.03.05.18:*:*:*:*:*:*:*

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