CVE-2026-22877

LOW

Copeland XWEB 300D/500D/500B Pro Firmware < 1.12.1 - Unauthenticated Arbitrary File Read

Title source: llm

Description

An arbitrary file-read vulnerability exists in XWEB Pro version 1.12.1 and prior, enabling unauthenticated attackers to read arbitrary files on the system, and potentially causing a denial-of-service attack.

References (3)

Core 3

Core References

Third Party Advisory

https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-057-10.json

View Writeup ZIP pw:eip

Various Sources

https://webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate

Third Party Advisory, US Government Resource

https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-10

Scores

CVSS v3 3.7

EPSS 0.0055

EPSS Percentile 41.7%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-22

Status published

Products (3)

copeland/xweb_300d_pro_firmware < 1.12.1

copeland/xweb_500b_pro_firmware < 1.12.1

copeland/xweb_500d_pro_firmware < 1.12.1

Published Feb 27, 2026

Tracked Since Feb 27, 2026