Answer in brief
CVE-2026-27870 records a Medium severity (CVSS 4.8) vulnerability in CROSS-SITE SCRIPTING (XSS) VIA MALICIOUS FILE UPLOAD ON REGESTA SMART HD-PLC OF TELDAT. The current sources do not mark it as known exploited. The current feed maps Teldat/Regesta Smart HD-PLC - TLDPH16D2 (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 4.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Teldat/Regesta Smart HD-PLC - TLDPH16D2 (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Teldat/Regesta Smart HD-PLC - TLDPH16D2generic | 11.02.05.10.02 | Not reported |
Published upstream
Jun 17, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 1, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 1, 2026
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.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-27870 records a Medium severity (CVSS 4.8) vulnerability in CROSS-SITE SCRIPTING (XSS) VIA MALICIOUS FILE UPLOAD ON REGESTA SMART HD-PLC OF TELDAT. The current sources do not mark it as known exploited. The current feed maps Teldat/Regesta Smart HD-PLC - TLDPH16D2 (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 4.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Teldat/Regesta Smart HD-PLC - TLDPH16D2 (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Teldat/Regesta Smart HD-PLC - TLDPH16D2generic | 11.02.05.10.02 | Not reported |
Published upstream
Jun 17, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 1, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 1, 2026
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.
Quoted source text, attributed separately from HOL analysis.