CVE-2025-57573Network attack vector

Memory corruption via unchecked Wi-Fi timer input

Published Sep 10, 2025 · Updated Jul 5, 2026

Buffer overflow in Tenda F3 firmware 12.01.01.48 and later allows remote attackers to corrupt memory via a crafted Wi-Fi timer value. The goform/setWifi handler copies the wifiTimeClose parameter without checking that it fits the destination buffer, causing an out-of-bounds write. An unauthenticated network request is required; published evidence establishes memory corruption but no specific crash or code-execution outcome.

CVSS severity5.6
Medium
EPSS probability0.22%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Buffer overflow in Tenda F3 firmware 12.01.01.48 and later allows remote attackers to corrupt memory via a crafted Wi-Fi timer value. The goform/setWifi handler copies the wifiTimeClose parameter without checking that it fits the destination buffer, causing an out-of-bounds write. An unauthenticated network request is required; published evidence establishes memory corruption but no specific crash or code-execution outcome.

The record

CVE
CVE-2025-57573
Published
Sep 10, 2025
Updated
Jul 5, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-120, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 10, 2025CVE publishedPublication date reported by the CVE source.
  2. Jul 5, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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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

5.6CISACVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

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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