CVE-2023-3710Pm43 Firmware Command Injection
Improper Input Validation vulnerability in Honeywell PM43 on 32 bit, ARM (Printer web page modules) allows Command Injection.This issue affects PM43 versions prior to P10.19.050004.
Published Sep 12, 2023 · Updated Sep 12, 2025
Key Facts
Patch immediately- CVE-2023-3710 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Pm43 Firmware (Honeywell), PC23/43, PD43, PD45, PX240 and 7 more products.
- It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Feb 6, 2024. Public exploit code is available.
- EPSS estimates a 49% probability of exploitation in the next 30 days.
- Fixed versions are available, including Pm43 Firmware p10.19.050004, PC23/43, PD43 K10.19.050004, PD45, PX240 F10.19.050004.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Scores
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
49%
Higher than 98.8% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
41/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Feb 6, 2024
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
10
Reports of active use
Description
Improper Input Validation vulnerability in Honeywell PM43 on 32 bit, ARM (Printer web page modules) allows Command Injection.This issue affects PM43 versions prior to P10.19.050004. Update to the latest available firmware version of the respective printers to version MR19.5 (e.g. P10.19.050006).
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CIRCL KEV | Feb 6, 2024 | n/a | Not reported |
| Industry KEV feed | Feb 6, 2024 | n/a | Not reported |
Affected Products
10 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Pm43 FirmwareHoneywell | See advisory | p10.19.050004 |
| PC23/43, PD43 | See advisory | K10.19.050004 |
| PD45, PX240 | See advisory | F10.19.050004 |
| PM23/43 | See advisory | P10.19.050004 |
| PM42 | See advisory | T10.19.050004 |
Patched Releases
Pm43 Firmware
p10.19.050004
PC23/43, PD43
K10.19.050004
PD45, PX240
F10.19.050004
PM23/43
P10.19.050004
PM42
L10.19.050004, T10.19.050004
PM45
J10.19.050004
PX45/65
B10.19.050004
PX4ie/6ie
A10.19.050004
PX940
H10.19.050004
RP2f/RP4f
M10.19.050006
Timeline
Publicly disclosed
Sep 12, 2023
Added to CIRCL KEV
Feb 6, 2024
Added to Industry KEV feed
Feb 6, 2024
Last updated
Sep 12, 2025
Weakness Type
- CWE-20 Improper Input Validation
- CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')
References
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
Improper Input Validation vulnerability in Honeywell PM43 on 32 bit, ARM (Printer web page modules) allows Command Injection.This issue affects PM43 versions prior to P10.19.050004.
Affected: Pm43 Firmware (Honeywell); PC23/43, PD43; PD45, PX240, among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Feb 6, 2024.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Pm43 Firmware p10.19.050004, PC23/43, PD43 K10.19.050004, PD45, PX240 F10.19.050004.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Is CVE-2023-3710 On Your Attack Surface?
Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.
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