CVE-2026-27868
CVE-2026-27868 is a medium-severity vulnerability with a CVSS 4.0 base score of 6.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-201.
Key facts
- Severity: Medium (CVSS 4.0 base score 6.9)
- EPSS exploit prediction: 0% (31st percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-37576
- Weakness: CWE-201
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2026-27868?
- 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.
- How severe is CVE-2026-27868?
- CVE-2026-27868 has a CVSS 4.0 base score of 6.9, rated medium severity.
- Is CVE-2026-27868 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-27868?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-27868 have an EU (EUVD) identifier?
- Yes. CVE-2026-27868 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37576.
- When was CVE-2026-27868 published?
- CVE-2026-27868 was published on 2026-06-17 and last updated on 2026-07-01.
References
- https://support.teldat.com/images/content/docs/Teldat_dm1087_regesta_smart_nessum_series_installation(1).pdf
- https://support.teldat.com/portal/supportcontent?page=cgs-customer-global-support&none=true&language=en-US
- https://www.hackrtu.com/blog/CNA-CVE-2026-27868/
- https://www.hackrtu.com/blog/CNA-HRTU-0003/
- https://www.teldat.com/es/
EU advisories (EUVD)
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