CVE-2025-51495

highpriority · track · 10EPSS 0.004 · 36 %ileexploit · PoCDEEUUS
grimoire priorityP1 · Urgent
Exploitable?
Public exploit
1 exploit · PoC
Likely / severe?
0.42% (36th) EPSS
CVSS 7.5 · high
Is it mine?
10 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · nvd · pilz_psirt

EPSS · scored 2026-10-27

An integer overflow vulnerability exists in the WebSocket component of Mongoose 7.5 thru 7.17. By sending a specially crafted WebSocket request, an attacker can cause the application to crash. If downstream vendors integrate this component improperly, the issue may lead to a buffer overflow.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • FixedPASvisupilz_psirt

    Please visit the Pilz website (https://www.pilz.com/en-INT/search) and install the new version 'PASvisu 1.15.1' on to your device.

  • FixedPASvisu <=1.15.0 installed on Firmware PMI v70Xe <=03.00.00 installed on PMIv7xxepilz_psirt

    Please visit the Pilz website (https://www.pilz.com/en-INT/search) and install the new firmware image 'Firmware PMI v70Xe (visu 1.15.1) 03.01.00' on to your device.

  • FixedPASvisu <=1.15.0 installed on Firmware PMI v8 <=2.2.1 installed on PMIv8xxpilz_psirt

    Please visit the Pilz website (https://www.pilz.com/en-INT/search) and download 'Firmware PMI v8 Assistant (visu 1.15.1) 2.2.2' in order to install the new verison of the firmware on to your device.

  • MitigationPASvisupilz_psirt

    Limit network access to PASvisu server by using a firewall, a host-based firewall or similar measures.

  • MitigationPASvisu <=1.15.0 installed on Firmware PMI v70Xe <=03.00.00 installed on PMIv7xxepilz_psirt

    Limit network access to PASvisu server by using a firewall, a host-based firewall or similar measures.

  • MitigationPASvisu <=1.15.0 installed on Firmware PMI v8 <=2.2.1 installed on PMIv8xxpilz_psirt

    Limit network access to PASvisu server by using a firewall, a host-based firewall or similar measures.

02

cvss

Technical severity, 0–10. One row per scoring source.

7.5
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondaryexploitability 3.9 · impact 3.6
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · Pilz PSIRT DE
v3.17.1highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Psecondary · CVSS-BT (t0sche)
03

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: no · Technical Impact: partialcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

05

exploits (1)

Public proof-of-concept and weaponised exploit code.

06

affected products (10)

Products and version ranges known to be affected.

07

advisories (1)

Vendor and ecosystem advisories describing this.

  • PPSA-2025-004Pilz: Vulnerability affecting PASvisu Runtime2025-10-20csaf · pilz_psirtDE

    The PASvisu Runtime is affected by a vulnerability in a third-party component which can be exploited by a malicious web request.

08

also known as (3)

Other names and identifiers for this entity.

09

sources

Which sources assert this record, and when.

published 2025-09-29modified 2026-06-17
10

references (11)

External citations — patches, advisories, analysis.

scry

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