Description
XWEB EVO 5.6.2 through 5.8.8 contains an information disclosure vulnerability that allows unauthenticated attackers to obtain the device's eth0 MAC address and system clock by accessing sysinfo.lua, which also feeds the pre-login page. Attackers can use the disclosed MAC address and system clock values to offline derive the MAC-based daily password, enabling unauthorized authentication to the device. This product line reached it's end of service date in March 2026.
OhShit! incidents
References
- www.cve.org/CVERecord ↗
- nvd.nist.gov/vuln/detail/CVE-2026-124011 ↗
- webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate ↗
- webapps.copeland.com/dixell/Content/Pages/AdvertisingMaterials/ProductNews/XWEB%20EVO%20EoS%20-%20Product_Bulletin_March_2026.pdf ↗
- www.vulncheck.com/advisories/dixell-copeland-xweb-evo-information-disclosure-via-sysinfo-lua ↗
- www.vulncheck.com/blog/copeland-xweb-evo-unauthenticated-root ↗
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This product uses the NVD API but is not endorsed or certified by the NVD. CVSS scores do not establish exploitation.