cip-security-poc

cip-security-poc — proving the fix principle behind CVE-2021-22681 not just its flaw Six runnable scripts — real EtherNet/IP protocol traffic Test 1, real TLS/PKI mechanics Tests 3–6 — zero Rockwell software or licensing anywhere in the chain. Built to test a claim before writing it up, not to...

PT-2026-85371

Name of the Vulnerable Software and Affected Versions Rockwell Automation 1756-ENBT affected versions not specified Description A denial-of-service flaw exists in the 1756-ENBT module, which serves as an EtherNet/IP bridge for ControlLogix controllers. An attacker can crash the device by sending ...

CVE-2026-78012

An issue in the NetStaX EtherNet/IP Stack prior to v5.6.1 could allow a large Class 3 explicit-message request to exceed the application-side receive buffer without generating an error or warning. The result could be memory corruption, a device crash, or a potential remote attack vector without t...

EUVD-2026-69384

An issue in the NetStaX EtherNet/IP Stack prior to v5.6.1 could allow a large Class 3 explicit-message request to exceed the application-side receive buffer without generating an error or warning. The result could be memory corruption, a device crash, or a potential remote attack vector without t...

CVE-2026-78012 Stack-based Buffer Overflow in Pyramid Solutions NetStaX EtherNet/IP Stack

An issue in the NetStaX EtherNet/IP Stack prior to v5.6.1 could allow a large Class 3 explicit-message request to exceed the application-side receive buffer without generating an error or warning. The result could be memory corruption, a device crash, or a potential remote attack vector without t...

CVE-2026-78012

A stack-based buffer overflow in Pyramid Solutions NetStaX EtherNet/IP Stack prior to v5.6.1 allows a large Class 3 explicit-message request to exceed the application-side receive buffer without generating an error or warning to the originating device. The result can be memory corruption , a devi...

CVE-2026-78012 Stack-based Buffer Overflow in Pyramid Solutions NetStaX EtherNet/IP Stack

An issue in the NetStaX EtherNet/IP Stack prior to v5.6.1 could allow a large Class 3 explicit-message request to exceed the application-side receive buffer without generating an error or warning. The result could be memory corruption, a device crash, or a potential remote attack vector without t...

PT-2026-84290

Name of the Vulnerable Software and Affected Versions NetStaX EtherNet/IP Stack versions prior to 5.6.1 Description An issue exists where a large Class 3 explicit-message request can exceed the application-side receive buffer without triggering an error or warning. This can lead to memory...

Over 4,400 Rockwell PLCs Exposed Online, 22 Found in Water Attack Cities

Forescout found 22 internet-facing Rockwell Automation programmable logic controllers PLCs in cities hit by recent cyberattacks on US water utilities. Nineteen used the same mobile carrier network. Its August 3 scan counted 4,407 exposed Rockwell controllers worldwide, including 2,844 in the Unit...

PT-2026-58009

Name of the Vulnerable Software and Affected Versions 1715-AENTR EtherNet/IP Adapter versions prior to 3.011 Description The 1715-AENTR EtherNet/IP Adapter exposes a network-accessible debug port that lacks proper privilege controls. This allows unauthenticated remote access to intrusive...

CVE-2026-51537

OpENer 2.3.0 (commit 76b95cf) contains an out-of-bounds read in the Connection Manager when processing malformed ForwardOpen/LargeForwardOpen requests, allowing a remote attacker to trigger the issue over the network without authentication. Red Hat notes potential denial of service or information...

PT-2026-57879

Name of the Vulnerable Software and Affected Versions OpENer version 2.3.0 Description An out-of-bounds read occurs during CIP Common Industrial Protocol message parsing when processing malformed explicit requests. An attacker can send a valid ENIP SendRRData frame containing a short CIP payload...

CVE-2026-13592

A vulnerability was detected in liftoff-sr CIPster up to e8e9dba09bf56962807d3504b783ccdb6287f3e4. Affected by this issue is the function BufWriter::append of the component EtherNet IP Message Handler. Performing a manipulation results in out-of-bounds write. Remote exploitation of the attack is...

CVE-2026-13592 liftoff-sr CIPster EtherNet IP Message append out-of-bounds write

A vulnerability was detected in liftoff-sr CIPster up to e8e9dba09bf56962807d3504b783ccdb6287f3e4. Affected by this issue is the function BufWriter::append of the component EtherNet IP Message Handler. Performing a manipulation results in out-of-bounds write. Remote exploitation of the attack is...

EUVD-2026-40156

A vulnerability was detected in liftoff-sr CIPster up to e8e9dba09bf56962807d3504b783ccdb6287f3e4. Affected by this issue is the function BufWriter::append of the component EtherNet IP Message Handler. Performing a manipulation results in out-of-bounds write. Remote exploitation of the attack is...

CVE-2026-8805

Integer Overflow or Wraparound vulnerability in the EtherNet/IP function of Mitsubishi Electric MELSEC iQ-F Series FX5-EIP EtherNet/IP module FX5-EIP versions 1.000 and prior allows a remote attacker to cause a denial-of-service DoS condition in the affected product by rapidly establishing a larg...

EUVD-2026-37973

Integer Overflow or Wraparound vulnerability in the EtherNet/IP function of Mitsubishi Electric MELSEC iQ-F Series FX5-EIP EtherNet/IP module FX5-EIP versions 1.000 and prior allows a remote attacker to cause a denial-of-service DoS condition in the affected product by rapidly establishing a larg...

CVE-2026-8805 Denial-of-service (DoS) vulnerability in MELSEC iQ-F Series EtherNet/IP module

Integer Overflow or Wraparound vulnerability in the EtherNet/IP function of Mitsubishi Electric MELSEC iQ-F Series FX5-EIP EtherNet/IP module FX5-EIP versions 1.000 and prior allows a remote attacker to cause a denial-of-service DoS condition in the affected product by rapidly establishing a larg...

CVE-2026-8805

CVE-2026-8805 affects the MELSEC iQ-F Series EtherNet/IP module FX5-EIP (versions 1.000 and prior). The bug is an integer overflow/wraparound in the EtherNet/IP function that can be triggered remotely by rapidly opening many TCP connections, causing a DoS through an inconsistency in internal conn...

PT-2026-50828

Name of the Vulnerable Software and Affected Versions Mitsubishi Electric MELSEC iQ-F Series FX5-EIP EtherNet/IP module versions 1.000 and prior Description An integer overflow or wraparound in the EtherNet/IP function allows a remote attacker to cause a denial-of-service DoS condition. By rapidl...