liftoff-sr CIPster up to e8e9dba09bf56962807d3504b783ccdb6287f3e4 EtherNet IP Message BufWriter::append out-of-bounds write

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.6$0-$5k3.04

Summaryinfo

A vulnerability described as critical has been identified in liftoff-sr CIPster up to e8e9dba09bf56962807d3504b783ccdb6287f3e4. This affects the function BufWriter::append of the component EtherNet IP Message Handler. Executing a manipulation can lead to out-of-bounds write. This vulnerability is handled as CVE-2026-13592. The attack can be executed remotely. Additionally, an exploit exists. This product implements a rolling release for ongoing delivery, which means version information for affected or updated releases is unavailable. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in liftoff-sr CIPster up to e8e9dba09bf56962807d3504b783ccdb6287f3e4. It has been declared as critical. This vulnerability affects the function BufWriter::append of the component EtherNet IP Message Handler. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released by Chuan Wei (Carnegie) as 48 as confirmed issue (GitHub Repository). The advisory is shared for download at github.com. The public release was coordinated with the vendor. This vulnerability was named CVE-2026-13592. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known.

A public exploit has been developed in Python. It is possible to download the exploit at github.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 28 days. During that time the estimated underground price was around .

Applying the patch 3a0159ed43125dcd024a1965f0289cb186bae9ff is able to eliminate this problem. The bugfix is ready for download at github.com.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Programming Language: 🔒
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: 3a0159ed43125dcd024a1965f0289cb186bae9ff

Timelineinfo

06/01/2026 Vendor acknowledged
06/01/2026 +0 days Exploit disclosed
06/29/2026 +28 days Advisory disclosed
06/29/2026 +0 days VulDB entry created
06/29/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 48
Researcher: Chuan Wei (Carnegie)
Status: Confirmed
Confirmation: 🔒
Coordinated: 🔒

CVE: CVE-2026-13592 (🔒)
GCVE (CVE): GCVE-0-2026-13592
GCVE (VulDB): GCVE-100-374596
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 06/29/2026 07:09
Updated: 06/29/2026 14:09
Changes: 06/29/2026 07:09 (61), 06/29/2026 14:08 (5), 06/29/2026 14:09 (5)
Complete: 🔍
Submitter: Carnegie
Committer: Carnegie
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #844566: liftoff-sr CIPster master (reproduced on 1802525be27d33e19a9a83c163e331a1d13b1892) Out-of-bounds Read/Write (by Carnegie)

Once again VulDB remains the best source for vulnerability data.

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