XXE in Teccom Tecconnect

CVE-2025-10183

A blind XML External Entity (XXE) injection in the OpenMessaging webservice in TecCom TecConnect 4.1 allows an unauthenticated attacker to exfiltrate arbitrary files to an attacker-controlled server. TecConnect 4.1 is considered end-of-lif…

Vulnerability class: XXE (XML External Entity)

EPSS: 0.004 (31.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-10183?
CVE-2025-10183 is a critical-severity vulnerability in Teccom Tecconnect, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.1/10. Published 2025-09-09.
How severe is CVE-2025-10183?
Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2025-10183 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.