CVE-2026-52195Network attack vector

Device crash via undisclosed handler buffer overflow

Published Jun 30, 2026 · Updated Jun 30, 2026

Buffer overflow in the gohead sub_472f08 handler in UTT nv518G firmware nv518GV3v3.2.7-210919-161313 allows remote attackers to crash the device. Public technical material names the handler but does not identify the affected buffer, unsafe operation, or attacker-controlled input. Network reachability to the handler is required, and the published consequence is limited to a device crash and service interruption.

CVSS severityUnavailable
Unscored
EPSS probability0.63%
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 the gohead sub_472f08 handler in UTT nv518G firmware nv518GV3v3.2.7-210919-161313 allows remote attackers to crash the device. Public technical material names the handler but does not identify the affected buffer, unsafe operation, or attacker-controlled input. Network reachability to the handler is required, and the published consequence is limited to a device crash and service interruption.

The record

CVE
CVE-2026-52195
Published
Jun 30, 2026
Updated
Jun 30, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
T1499
Attack vector
network
Privileges
Unavailable

Timeline

How it unfolded

  1. Jun 30, 2026CVE publishedPublication date reported by the CVE source.
  2. Jun 30, 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 privilegesUnavailable in this record.

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

No CVSS assessment is available in this record.

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
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1499Endpoint Denial of Service

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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