What’s Vulnerable › Vulnerabilities
CVE-2026-27870: CROSS-SITE SCRIPTING (XSS) VIA MALICIOUS FILE UPLOAD ON REGESTA SMART HD-PLC OF TELDAT
- Severity: medium (CVSS 4.8 v4.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-06-17 · updated 2026-10-26
- Weakness: CWE-79
Description
An attacker with access via network to the Regesta Smart HD-PLC of the provider Teldat (in this case, registration action IS required) who has the vulnerable software could, introduce arbitrary JavaScript by injecting a Cross-site Scripting (XSS) payload into the 'Hostname' field of the configuration file resulting in a XSS in the path /upgrade/query.php?cmd=p+3%3Bversion. This issue affects Regesta Smart HD-PLC - TLDPH16D2: 11.02.05.10.02.
Affected products
- Teldat Regesta Smart HD-PLC - TLDPH16D2: 11.02.05.10.02
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-2026-27870/
- https://www.hackrtu.com/blog/CNA-HRTU-0003/
- https://www.teldat.com/es/
Get alerted when CVE-2026-27870 or the next vulnerability affects your stack