How severe is CVE-2026-24436?

CVE-2026-24436 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-24436 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-24436?

CVE-2026-24436 affects Tenda W30e Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-24436?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-24436 have an EU (EUVD) identifier?

Yes. CVE-2026-24436 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-4665.

When was CVE-2026-24436 published?

CVE-2026-24436 was published on 2026-01-26 and last updated on 2026-06-17.

CVE-2026-24436

CVE-2026-24436 is a critical-severity vulnerability in Tenda W30e Firmware with a CVSS 3.x base score of 9.8. 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-307.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 9.2
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-4665
Weakness: CWE-307
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) do not enforce rate limiting or account lockout mechanisms on authentication endpoints. This allows attackers to perform unrestricted brute-force attempts against administrative credentials.

Frequently asked questions

What is CVE-2026-24436?: Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) do not enforce rate limiting or account lockout mechanisms on authentication endpoints. This allows attackers to perform unrestricted brute-force attempts against administrative credentials.
How severe is CVE-2026-24436?: CVE-2026-24436 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-24436 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-24436?: CVE-2026-24436 affects Tenda W30e Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-24436?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-24436 have an EU (EUVD) identifier?: Yes. CVE-2026-24436 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-4665.
When was CVE-2026-24436 published?: CVE-2026-24436 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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