CVE-2026-12577Network attack vector

Unauthenticated service interruption via TCP RST injection

Published Jul 1, 2026 · Updated Jul 1, 2026

Improper security checking in Delta Electronics DVP80ES3 1.08.10 and earlier allows remote attackers to interrupt service via TCP RST injection. Delta has not disclosed the affected TCP-processing locus or the security check that improperly accepts reset traffic. Network access is sufficient without authentication or user interaction; the published impact is limited to service availability.

CVSS severity8.7
High
EPSS probability0.43%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper security checking in Delta Electronics DVP80ES3 1.08.10 and earlier allows remote attackers to interrupt service via TCP RST injection. Delta has not disclosed the affected TCP-processing locus or the security check that improperly accepts reset traffic. Network access is sufficient without authentication or user interaction; the published impact is limited to service availability.

The record

CVE
CVE-2026-12577
Published
Jul 1, 2026
Updated
Jul 1, 2026
Vendor
Delta Electronics, Inc.
Product
DVP80ES3
Classifications
CWE-358, CAPEC-596, T0814
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 1, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 1, 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?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=1.08.10

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Delta Electronics, Inc. · DVP80ES3version=0 <=1.08.10

Published CVSS scores

8.7Delta Electronics, Inc.CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

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-358Improperly Implemented Security Check for Standard
CAPEC-596TCP RST Injection
T0814Denial 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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