CVE-2025-57087Public exploitNetwork attack vector

Unauthenticated denial of service via countryCode overflow

Published Sep 9, 2025 · Updated Sep 9, 2025

Stack overflow in Tenda W30E firmware 16.01.0.19 (5037) allows remote attackers to cause denial of service via a crafted request. The public record identifies the werlessAdvancedSet function and countryCode parameter but does not disclose the unsafe copy operation or request endpoint. No authentication or user interaction is required, and the documented consequence is limited to service interruption without reported code execution.

CVSS severity7.5
High
EPSS probability0.49%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stack overflow in Tenda W30E firmware 16.01.0.19 (5037) allows remote attackers to cause denial of service via a crafted request. The public record identifies the werlessAdvancedSet function and countryCode parameter but does not disclose the unsafe copy operation or request endpoint. No authentication or user interaction is required, and the documented consequence is limited to service interruption without reported code execution.

The record

CVE
CVE-2025-57087
Published
Sep 9, 2025
Updated
Sep 9, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-121, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 9, 2025CVE publishedPublication date reported by the CVE source.
  2. Sep 9, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

7.5CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-121Stack-based Buffer Overflow
T1499Endpoint Denial of Service

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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