CVE-2026-52196Public exploitNetwork attack vector

Unauthenticated service crash via gohead buffer overflow

Published Jun 30, 2026 · Updated Jun 30, 2026

Buffer overflow in UTT nv518G firmware nv518GV3v3.2.7-210919-161313 allows remote attackers to interrupt service. The public record names gohead/sub_416f28 as the vulnerable locus but does not disclose which input is copied or which bound is omitted. Network access to the embedded web service is sufficient; exploitation requires no authentication or user interaction and can crash the service.

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 UTT nv518G firmware nv518GV3v3.2.7-210919-161313 allows remote attackers to interrupt service. The public record names gohead/sub_416f28 as the vulnerable locus but does not disclose which input is copied or which bound is omitted. Network access to the embedded web service is sufficient; exploitation requires no authentication or user interaction and can crash the service.

The record

CVE
CVE-2026-52196
Published
Jun 30, 2026
Updated
Jun 30, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
T1499.004
Attack vector
network
Privileges
unauthenticated

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 privilegesunauthenticated

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 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

T1499.004Application or System Exploitation

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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