CVE-2025-41770
Unauthenticated Denial of Service
Description
An unauthenticated denial-of-service vulnerability in the device's PLCnext Engineer communication interface allow an remote attacker to interrupt access via the client application. Successful exploitation prevents communication until the PLCnext service is manually restarted.
INFO
Published Date :
Aug. 12, 2026, 8:17 a.m.
Last Modified :
Aug. 12, 2026, 5:17 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2025-41770
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | HIGH | 270ccfa6-a436-4e77-922e-914ec3a9685c | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 3.1 | HIGH | MITRE-CVE | ||||
| CVSS 4.0 | HIGH | 270ccfa6-a436-4e77-922e-914ec3a9685c | ||||
| CVSS 4.0 | HIGH | [email protected] |
Solution
- Apply vendor patches or updates.
- Restart the PLCnext service.
- Monitor for continued service availability.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-41770.
| URL | Resource |
|---|---|
| https://phoenixcontact.csaf-tp.certvde.com/.well-known/csaf/white/2026/vde-2025-056.json |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-41770 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-41770
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-41770 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-41770 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Aug. 12, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2025-41770', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-08-12T16:02:55.318840Z'} -
New CVE Received by [email protected]
Aug. 12, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Phoenix Contact', 'product': 'AXC F 1152', 'versions': [{'status': 'affected', 'version': '2019.0.4', 'lessThan': '2026.0.3', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}, {'vendor': 'Phoenix Contact', 'product': 'AXC F 1252', 'versions': [{'status': 'affected', 'version': '2019.0.4', 'lessThan': '2026.0.3', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}, {'vendor': 'Phoenix Contact', 'product': 'AXC F 2000 EA', 'versions': [{'status': 'affected', 'version': '2019.0.4', 'lessThan': '2026.0.3', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}, {'vendor': 'Phoenix Contact', 'product': 'AXC F 2152', 'versions': [{'status': 'affected', 'version': '2019.0.4', 'lessThan': '2026.0.3', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}, {'vendor': 'Phoenix Contact', 'product': 'AXC F 3152', 'versions': [{'status': 'affected', 'version': '2019.0.4', 'lessThan': '2026.0.3', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}, {'vendor': 'Phoenix Contact', 'product': 'BPC 9102S', 'versions': [{'status': 'affected', 'version': '2019.0.4', 'lessThan': '2026.0.3', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}, {'vendor': 'Phoenix Contact', 'product': 'BPC 9202S', 'versions': [{'status': 'affected', 'version': '2019.0.4', 'lessThan': '2026.0.3', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}, {'vendor': 'Phoenix Contact', 'product': 'RFC 4072R', 'versions': [{'status': 'affected', 'version': '2019.0.4', 'lessThan': '2026.0.3', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}, {'vendor': 'Phoenix Contact', 'product': 'RFC 4072S', 'versions': [{'status': 'affected', 'version': '2019.0.4', 'lessThan': '2026.0.3', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}, {'vendor': 'Phoenix Contact', 'product': 'VL3 UPC 2440 EDGE', 'versions': [{'status': 'affected', 'version': '2019.0.4', 'lessThan': '2026.0.3', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}, {'vendor': 'Phoenix Contact', 'product': 'VPLCNEXT CONTROL 1000', 'versions': [{'status': 'affected', 'version': '2019.0.4', 'lessThan': '2026.0.3', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}, {'vendor': 'Phoenix Contact', 'product': 'VPLCNEXT CONTROL 2000', 'versions': [{'status': 'affected', 'version': '2019.0.4', 'lessThan': '2026.0.3', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}, {'vendor': 'Phoenix Contact', 'product': 'VPLCNEXT CONTROL 3000', 'versions': [{'status': 'affected', 'version': '2019.0.4', 'lessThan': '2026.0.3', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}, {'vendor': 'Phoenix Contact', 'product': 'VPLCNEXT CONTROL 500', 'versions': [{'status': 'affected', 'version': '2019.0.4', 'lessThan': '2026.0.3', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}, {'vendor': 'Phoenix Contact', 'product': 'Catan C1', 'versions': [{'status': 'affected', 'version': '2019.0.4', 'lessThan': '2026.0.3', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}, {'vendor': 'Phoenix Contact', 'product': 'EPC 1502', 'versions': [{'status': 'affected', 'version': '2019.0.4', 'lessThan': '2026.0.3', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}, {'vendor': 'Phoenix Contact', 'product': 'EPC 1522', 'versions': [{'status': 'affected', 'version': '2019.0.4', 'lessThan': '2026.0.3', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}] Added Description An unauthenticated denial-of-service vulnerability in the device's PLCnext Engineer communication interface allow an remote attacker to interrupt access via the client application. Successful exploitation prevents communication until the PLCnext service is manually restarted. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-770 Added Reference https://phoenixcontact.csaf-tp.certvde.com/.well-known/csaf/white/2026/vde-2025-056.json