Reference material — not professional advice. Test in staging, back up first, verify against your specific version. Use your own judgment for your environment.
● High · CVSS 8

How to Fix CVE-2026-3037: Copeland XWEB 300D PRO (Bundle Sibling)

By Sai Kiran Pandrala. Last verified: 2026-05-25.

CVE-2026-3037 is a sibling vulnerability in the same vendor advisory as CVE-2026-20742. Apply the same patched build and you close both. The technical detail below is what differs.

⚡ At a glance
Severity8 (High)
Actively exploited?No public listing in CISA KEV
AffectedCopeland XWEB 300D PRO 0 to <=1.12.1; Copeland XWEB 500D PRO 0 to <=1.12.1; Copeland XWEB 500B PRO 0 to <=1.12.1
Fixed inSame patched build as CVE-2026-20742
Type (CWE)CWE-78

What's different about CVE-2026-3037?

An OS command injection vulnerability exists in XWEB Pro version 1.12.1

and prior, enabling an authenticated attacker to achieve remote code

execution on the system by modifying malicious input injected into the

MBird SMS service URL and/or code via the utility route which is later

processed during system setup, leading to remote code execution.

How to fix CVE-2026-3037

Apply the patched build per the primary write-up: How to Fix CVE-2026-20742. All commands, verification steps, and rollback notes for Copeland XWEB 300D PRO are listed there.

Frequently asked questions

Does the CVE-2026-20742 patch close CVE-2026-3037?

Yes. Both CVEs are addressed by the same vendor patch. Applying the patched build closes the full bundle.

Is CVE-2026-3037 listed in CISA KEV?

No public KEV listing at the time of this writing.

Where is the official advisory?

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

References


*Written by Sai Kiran Pandrala. Part of the Copeland XWEB 300D PRO bundle. Full procedure at how-to-fix-cve-2026-20742.*