How severe is CVE-2026-24439?

CVE-2026-24439 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-24439 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-24439?

CVE-2026-24439 affects Tenda W30e Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-24439?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-24439 have an EU (EUVD) identifier?

Yes. CVE-2026-24439 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-4674.

When was CVE-2026-24439 published?

CVE-2026-24439 was published on 2026-01-26 and last updated on 2026-06-17.

CVE-2026-24439

CVE-2026-24439 is a medium-severity vulnerability in Tenda W30e Firmware with a CVSS 3.x base score of 6.5. 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-116.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v4: 2.1
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-4674
Weakness: CWE-116
Affected product: Tenda W30e Firmware
Published: 2026-01-26
Last modified: 2026-06-17

Description

Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) fail to include the X-Content-Type-Options: nosniff response header on web management interfaces. As a result, browsers that perform MIME sniffing may incorrectly interpret attacker-influenced responses as executable script.

Frequently asked questions

What is CVE-2026-24439?: Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) fail to include the X-Content-Type-Options: nosniff response header on web management interfaces. As a result, browsers that perform MIME sniffing may incorrectly interpret attacker-influenced responses as executable script.
How severe is CVE-2026-24439?: CVE-2026-24439 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-24439 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-24439?: CVE-2026-24439 affects Tenda W30e Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-24439?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-24439 have an EU (EUVD) identifier?: Yes. CVE-2026-24439 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-4674.
When was CVE-2026-24439 published?: CVE-2026-24439 was published on 2026-01-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:tenda:w30e_firmware:*:*:*:*:*:*:*:*

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