What is CVE-2025-57220?

CVE-2025-57220 is a medium-severity vulnerability in Tenda Ac10, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2025-08-28.

How severe is CVE-2025-57220?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Is CVE-2025-57220 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Improper input validation in Tenda Ac10

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2025-08-28 · last modified 2026-09-26.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.008 (54.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Tenda Ac10 — versions 4.0
Tenda Ac10 Firmware — versions 16.03.10.09_multi_tde01

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

plaid-knot-11b.notion.site/Unauthenticated-Remote-Root-Shell-via-Input-Validati… (Third Party Advisory)

Frequently asked questions

What is CVE-2025-57220?: CVE-2025-57220 is a medium-severity vulnerability in Tenda Ac10, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2025-08-28.
How severe is CVE-2025-57220?: Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2025-57220 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.