CVE-2026-27870 | An attacker with access via network to the Regesta Smart HD-… | CVSS 4.8 MEDIUM

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.

Metadata

CVE ID: CVE-2026-27870
State: PUBLISHED
Assigner: HackRTU
Reserved: 2026-02-24 08:59 UTC
Published: 2026-06-17 08:13 UTC
Last updated: 2026-06-17 12:47 UTC
Primary CWE: CWE-79
CWE-79 Improper neutralization of input during web page gene…
Vendor / Product: Teldat / Regesta Smart HD-PLC - TLDPH16D2
Sources: cve.org · NVD

Severity & Metrics

4.8 MEDIUM CVSS 4.0

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
Teldat	Regesta Smart HD-PLC - TLDPH16D2	—	11.02.05.10.02, 11.02.06.00.02

Weakness (CWE)

CWE	Source	Description
CWE-79	cna	CWE-79 Improper neutralization of input during web page generation ('cross-site scripting')

CVSS scores (1)

Score	Severity	Version	Source	Vector
4.8	MEDIUM	4.0	cna	CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

References (5)