What is CVE-2025-57085?

CVE-2025-57085 is a critical-severity vulnerability in Tenda W30e, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2025-09-09.

How severe is CVE-2025-57085?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2025-57085 known to be exploited?

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

Buffer overflow in Tenda W30e

CVE-2025-57085

Tenda W30E V16.01.0.19 (5037) was discovered to contain a stack overflow in the v17 parameter in the UploadCfg function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

Vulnerability class: Buffer Overflow

EPSS: 0.004 (35.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Tenda W30e
Tenda W30e_firmware
N/a — versions n/a

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-57085?: CVE-2025-57085 is a critical-severity vulnerability in Tenda W30e, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2025-09-09.
How severe is CVE-2025-57085?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2025-57085 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.