CVE-2025-10183: TecCom TecConnect · XML External Entity (XXE)
Affects TecCom TecConnectSource CVE Database V5
Not known to be exploited · CVSS 9.1 Critical · end of life, no fix coming : replace or isolate TecCom TecConnect; no fix will be released.
Data as of 26 Oct 2026, 10:12 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 36% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- None coming – the product is end of life
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 9 Sep 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
No fix will be released: TecCom TecConnect is end of life. Replace it, or isolate it from untrusted networks until you can.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| TecCom TecConnect | Affected
| Fixed in– |
AI-suggested
- Immediate upgrade to TecCom Connect 5 is the most effective mitigation, as it is the supported version likely containing fixes for this vulnerability.
- If upgrading is not immediately feasible, implement network-level controls to restrict access to the OpenMessaging webservice, such as IP whitelisting, VPN access, or firewall rules limiting inbound traffic to trusted sources only.
- Employ Web Application Firewalls (WAFs) with custom rules to detect and block XML payloads containing external entity references or suspicious XML structures.
- Monitor network traffic for unusual outbound connections to unknown or attacker-controlled servers, which may indicate exfiltration attempts.
- Conduct thorough audits of existing logs and systems for signs of exploitation attempts or data leakage.
- Educate internal teams about the risks of using unsupported software versions and enforce strict patch and upgrade policies.
- Consider isolating the vulnerable service in a segmented network zone to minimize potential damage.
Description
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-life as of December 2023. Users are advised to upgrade to TecCom Connect 5.