How severe is CVE-2025-32459?

CVE-2025-32459 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2025-32459 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-32459?

CVE-2025-32459 primarily affects Onsemi Qcs-ax3-s5 Firmware. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-32459?

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-2025-32459 have an EU (EUVD) identifier?

Yes. CVE-2025-32459 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-17405.

When was CVE-2025-32459 published?

CVE-2025-32459 was published on 2025-06-08 and last updated on 2026-06-17.

CVE-2025-32459

CVE-2025-32459 is a high-severity vulnerability in Onsemi Qcs-ax3-s5 Firmware with a CVSS 3.x base score of 7.7. 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-88.

Key facts

Severity: High (CVSS 3.x base score 7.7)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-17405
Weakness: CWE-88
Affected product: Onsemi Qcs-ax3-s5 Firmware
Published: 2025-06-08
Last modified: 2026-06-17

Description

The Quantenna Wi-Fi chipset ships with a local control script, router_command.sh (in the sync_time argument), that is vulnerable to command injection. This is an instance of CWE-88, "Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')," and is estimated as a CVSS 7.7 (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N). This issue affects Quantenna Wi-Fi chipset through version 8.0.0.28 of the latest SDK, and appears to be unpatched at the time of this CVE record's first publishing, though the vendor has released a best practices guide for implementors of this chipset.

Frequently asked questions

What is CVE-2025-32459?: The Quantenna Wi-Fi chipset ships with a local control script, router_command.sh (in the sync_time argument), that is vulnerable to command injection. This is an instance of CWE-88, "Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')," and is estimated as a CVSS 7.7 (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N). This issue affects Quantenna Wi-Fi chipset through version 8.0.0.28 of the latest SDK, and appears to be unpatched at the time of this CVE record's first publishing, though the vendor has released a best practices guide for implementors of this chipset.
How severe is CVE-2025-32459?: CVE-2025-32459 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2025-32459 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-32459?: CVE-2025-32459 primarily affects Onsemi Qcs-ax3-s5 Firmware. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-32459?: 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-2025-32459 have an EU (EUVD) identifier?: Yes. CVE-2025-32459 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-17405.
When was CVE-2025-32459 published?: CVE-2025-32459 was published on 2025-06-08 and last updated on 2026-06-17.

References

Affected products (18)

cpe:2.3:o:onsemi:qcs-ax3-s5_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:onsemi:qcs-ax2-a12_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:onsemi:qcs-ax2-t12_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:onsemi:qcs-ax2-t8_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:onsemi:qd840_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:onsemi:qhs710_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:onsemi:qsr10ga_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:onsemi:qsr10gu_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:onsemi:qv840_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:onsemi:qv840c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:onsemi:qv860_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:onsemi:qv940_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:onsemi:qv942c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:onsemi:qv952c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:onsemi:qcs-ax2-s5_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:onsemi:qcs-ax3-a12_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:onsemi:qcs-ax3-t12_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:onsemi:qcs-ax3-t8_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Onsemi Qcs-ax3-s5 Firmware

CVE-2025-3461 — Critical (CVSS 9.1): The Quantenna Wi-Fi chips ship with an unauthenticated telnet interface by default. This is an instance of CWE-306,…
CVE-2025-3460 — High (CVSS 7.7): The Quantenna Wi-Fi chipset ships with a local control script, set_tx_pow, that is vulnerable to command injection.…
CVE-2025-3459 — High (CVSS 7.7): The Quantenna Wi-Fi chipset ships with a local control script, transmit_file, that is vulnerable to command injection.…
CVE-2025-32458 — High (CVSS 7.7): The Quantenna Wi-Fi chipset ships with a local control script, router_command.sh (in the get_syslog_from_qtn argument),…
CVE-2025-32457 — High (CVSS 7.7): The Quantenna Wi-Fi chipset ships with a local control script, router_command.sh (in the get_file_from_qtn argument),…
CVE-2025-32456 — High (CVSS 7.7): The Quantenna Wi-Fi chipset ships with a local control script, router_command.sh (in the put_file_to_qtn argument),…

All CVEs affecting Onsemi Qcs-ax3-s5 Firmware →

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