CVE-2026-52188Public exploit

Service crash via gohead buffer overflow

Published Jul 2, 2026 · Updated Jul 2, 2026

Buffer overflow in gohead on UTT nv518G firmware nv518GV3v3.2.7-210919-161313 allows remote attackers to crash the service. The public report identifies sub_497498 as the vulnerable locus but does not disclose the request field, destination buffer, or unchecked operation. Exploitation requires unauthenticated access from an adjacent network and causes an availability-only service interruption, with no reported data exposure or modification.

CVSS severity6.5
Medium
EPSS probability0.35%
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 gohead on UTT nv518G firmware nv518GV3v3.2.7-210919-161313 allows remote attackers to crash the service. The public report identifies sub_497498 as the vulnerable locus but does not disclose the request field, destination buffer, or unchecked operation. Exploitation requires unauthenticated access from an adjacent network and causes an availability-only service interruption, with no reported data exposure or modification.

The record

CVE
CVE-2026-52188
Published
Jul 2, 2026
Updated
Jul 2, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-119, T1499
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 2, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 2, 2026Record 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 vectoradjacent
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

6.5CISA-ADPCVSS:3.1/AV:A/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)
Vectoradjacent
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
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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