CVE-2026-24440
CVE-2026-24440 is a high-severity vulnerability in Tenda W30e 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-620.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v4: 8.7
- EPSS exploit prediction: 0% (19th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-4677
- Weakness: CWE-620
- Affected product: Tenda W30e Firmware
- Published:
- Last modified:
Description
Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) allow account passwords to be changed through the maintenance interface without requiring verification of the existing password. This enables unauthorized password changes when access to the affected endpoint is obtained.
Frequently asked questions
- What is CVE-2026-24440?
- Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) allow account passwords to be changed through the maintenance interface without requiring verification of the existing password. This enables unauthorized password changes when access to the affected endpoint is obtained.
- How severe is CVE-2026-24440?
- CVE-2026-24440 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-2026-24440 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-24440?
- CVE-2026-24440 affects Tenda W30e Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-24440?
- 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-2026-24440 have an EU (EUVD) identifier?
- Yes. CVE-2026-24440 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-4677.
- When was CVE-2026-24440 published?
- CVE-2026-24440 was published on 2026-01-26 and last updated on 2026-06-17.
References
- https://www.tendacn.com/product/W30E
- https://www.vulncheck.com/advisories/tenda-w30e-v2-allows-password-change-without-verifying-current-password
Affected products (1)
- cpe:2.3:o:tenda:w30e_firmware:*:*:*:*:*:*:*:*
More vulnerabilities in Tenda W30e Firmware
- CVE-2026-38835 — Critical (CVSS 9.8): Tenda W30E V2.0 V16.01.0.21 was found to contain a command injection vulnerability in the formSetUSBPartitionUmount…
- CVE-2026-24436 — Critical (CVSS 9.8): Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) do not enforce rate limiting or account…
- CVE-2026-24429 — Critical (CVSS 9.8): Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) ship with a predefined default password…
- CVE-2025-57085 — Critical (CVSS 9.8): Tenda W30E V16.01.0.19 (5037) was discovered to contain a stack overflow in the v17 parameter in the UploadCfg…
- CVE-2024-32286 — Critical (CVSS 9.8): Tenda W30E v1.0 V1.0.1.25(633) firmware has a stack overflow vulnerability located via the page parameter in the…
- CVE-2023-49411 — Critical (CVSS 9.8): Tenda W30E V16.01.0.12(4843) contains a stack overflow vulnerability via the function formDeleteMeshNode.
All CVEs affecting Tenda W30e Firmware →
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