How severe is CVE-2025-57220?

CVE-2025-57220 has a CVSS 3.x base score of 5.3, 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 none, and availability none.

Is CVE-2025-57220 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-57220?

CVE-2025-57220 affects Tenda Ac10 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-57220?

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

Does CVE-2025-57220 have an EU (EUVD) identifier?

Yes. CVE-2025-57220 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26135.

When was CVE-2025-57220 published?

CVE-2025-57220 was published on 2025-08-28 and last updated on 2026-06-17.

CVE-2025-57220

CVE-2025-57220 is a medium-severity vulnerability in Tenda Ac10 Firmware with a CVSS 3.x base score of 5.3. 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-26135
Weakness: CWE-20
Affected product: Tenda Ac10 Firmware
Published: 2025-08-28
Last modified: 2026-06-17

Description

An input validation flaw in the 'ate' service of Tenda AC10 v4.0 firmware v16.03.10.09_multi_TDE01 to escalate privileges to root via a crafted UDP packet.

Frequently asked questions

What is CVE-2025-57220?: An input validation flaw in the 'ate' service of Tenda AC10 v4.0 firmware v16.03.10.09_multi_TDE01 to escalate privileges to root via a crafted UDP packet.
How severe is CVE-2025-57220?: CVE-2025-57220 has a CVSS 3.x base score of 5.3, 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 none, and availability none.
Is CVE-2025-57220 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-57220?: CVE-2025-57220 affects Tenda Ac10 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-57220?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-57220 have an EU (EUVD) identifier?: Yes. CVE-2025-57220 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26135.
When was CVE-2025-57220 published?: CVE-2025-57220 was published on 2025-08-28 and last updated on 2026-06-17.

References

https://plaid-knot-11b.notion.site/Unauthenticated-Remote-Root-Shell-via-Input-Validation-Flaw-in-ate-Service-on-Tenda-AC10-V4-0-23fb3e9cce32804d93aad7e79a82a7aa?source=copy_link

Affected products (1)

cpe:2.3:o:tenda:ac10_firmware:16.03.10.09_multi_tde01:*:*:*:*:*:*:*

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