How severe is CVE-2025-3693?

CVE-2025-3693 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-2025-3693 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-3693?

CVE-2025-3693 affects Tenda W12 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-3693?

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-2025-3693 have an EU (EUVD) identifier?

Yes. CVE-2025-3693 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-11282.

When was CVE-2025-3693 published?

CVE-2025-3693 was published on 2025-04-16 and last updated on 2026-06-17.

CVE-2025-3693

CVE-2025-3693 is a high-severity vulnerability in Tenda W12 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: 8.7
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-11282
Weakness: CWE-119
Affected product: Tenda W12 Firmware
Published: 2025-04-16
Last modified: 2026-06-17

Description

A vulnerability was found in Tenda W12 3.0.0.5. It has been rated as critical. Affected by this issue is the function cgiWifiRadioSet of the file /bin/httpd. The manipulation leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Frequently asked questions

What is CVE-2025-3693?: A vulnerability was found in Tenda W12 3.0.0.5. It has been rated as critical. Affected by this issue is the function cgiWifiRadioSet of the file /bin/httpd. The manipulation leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.
How severe is CVE-2025-3693?: CVE-2025-3693 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-2025-3693 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-3693?: CVE-2025-3693 affects Tenda W12 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-3693?: 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-2025-3693 have an EU (EUVD) identifier?: Yes. CVE-2025-3693 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-11282.
When was CVE-2025-3693 published?: CVE-2025-3693 was published on 2025-04-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:tenda:w12_firmware:3.0.0.5:*:*:*:*:*:*:*

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