CVE-2026-27868: Teldat Regesta Smart HD-PLC – TLDPH16D2 · Insertion of sensitive information into sent data
Affects Teldat Regesta Smart HD-PLC – TLDPH16D2Source CVE Database V5
Not known to be exploited · CVSS 6.9 Medium.
Data as of 30 Oct 2026, 20:25 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 33% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 17 Jun 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: 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 30 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| TeldatRegesta Smart HD-PLC - TLDPH16D2 | Affected
| Fixed in– |
AI-suggested
Until a fix is available, restrict network access to the affected device to trusted users only and monitor for suspicious requests targeting the /upgrade/query.php endpoint. No official remediation or workaround has been published by the vendor at this time.
Description
An attacker with access via network to the Regesta Smart HD-PLC of the provider Teldat (in this case, NO registration action is required) who has the vulnerable software could obtain privilege information by using the command Version via the path: /upgrade/query.php?cmd=p+3&3Bversion resulting in a information disclosure. This issue affects Regesta Smart HD-PLC - TLDPH16D2: 11.02.05.10.02.
References
- hackrtu.com/blog/CNA-HRTU-0003/ (opens in a new tab)
- hackrtu.com/blog/CNA-CVE-2026-27868/ (opens in a new tab)
- teldat.com/es/ (opens in a new tab)
- support.teldat.com/images/content/docs/Teldat_dm1087_regesta_smart_nessum_series_installation(1).pdf (opens in a new tab)
- support.teldat.com/portal/supportcontent?page=cgs-customer-global-support&none=true&language=en-US (opens in a new tab)