TI-2023-11042 Aliases CVE-2023-25770 GHSA-x9p9-9r24-pqg9

Controller stack overflow on decoding messages from the server

MEDIUM 49CWE-502Published 2023-07-13 · Updated 2024-08-02

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-502.

Summary

Controller DoS may occur due to buffer overflow when an error is generated in response to a specially crafted message. See Honeywell Security Notification for recommendations on upgrading and versioning.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00706 53rd percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Honeywell	C300	501.1 – 501.6HF8; 510.1 – 510.2HF12; 511.1 – 511.5TCU3; 520.1 – 520.1TCU4; 520.2 – 520.2TCU2	—	No fix listed	CNA
Honeywell	C300	510.1 – 511.5TCU3; 520.1 – 520.1TCU4; 520.2 – 520.2TCU2	—	No fix listed	CNA

C300 VendorHoneywell Affected 501.1 – 501.6HF8; 510.1 – 510.2HF12; 511.1 – 511.5TCU3; 520.1 – 520.1TCU4; 520.2 – 520.2TCU2 Fixed in — No fix listed CNA
C300 VendorHoneywell Affected 510.1 – 511.5TCU3; 520.1 – 520.1TCU4; 520.2 – 520.2TCU2 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:honeywell:c300_firmware::::::::	501.1 – 501.6hf8; 510.1 – 510.2hf12; 511.1 – 511.5tcu3; 520.1 – 520.1tcu4; 520.2 – 520.2tcu2	Vulnerable	Honeywell
cpe:2.3:h:honeywell:c300:-:::::::*	not specified by NVD	Running on	Honeywell

cpe:2.3:o:honeywell:c300_firmware:*:*:*:*:*:*:*:* Versions 501.1 – 501.6hf8; 510.1 – 510.2hf12; 511.1 – 511.5tcu3; 520.1 – 520.1tcu4; 520.2 – 520.2tcu2 Vulnerable ·Honeywell
cpe:2.3:h:honeywell:c300:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Honeywell

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-25770
2026-10-03 Alias added: GHSA-x9p9-9r24-pqg9

References

Other 1

https://process.honeywell.com

TI-2021-16001 Honeywell Experion PKS and ACE Controllers Unrestricted Upload of File with Dangerous Type CVSS 3.1CRITICAL 10.0
TI-2023-10101 Controller stack overflow when decoding messages from the server CVSS 3.1CRITICAL 9.8
TI-2021-15999 Honeywell Experion PKS and ACE Controllers Injection CVSS 3.1CRITICAL 9.8
TI-2023-10640 Controller design flaw - unsigned firmware CVSS 3.1CRITICAL 9.8
TI-2021-16003 Honeywell Experion PKS and ACE Controllers Relative Path Traversal CVSS 3.1HIGH 7.5
TI-2023-11730 Controller DOS on sending error response CVSS 3.1HIGH 7.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences