CVE Explorer
CVE-2026-27870
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.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unknown","product":"Regesta Smart HD-PLC - TLDPH16D2","vendor":"Teldat","versions":[{"status":"affected","version":"11.02.05.10.02"},{"status":"unaffected","version":"11.02.06.00.02"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:7c9e026ec0c2c4307102e9f0839de87748c4e20e24451f51a31b6d2c51f1b3ce · sha256:874639f4523ec6b2… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":4.8,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"HIGH","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"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","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpa…
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:7c9e026ec0c2c4307102e9f0839de87748c4e20e24451f51a31b6d2c51f1b3ce · sha256:874639f4523ec6b2… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-79","description":"CWE-79 Improper neutralization of input during web page generation ('cross-site scripting')","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:7c9e026ec0c2c4307102e9f0839de87748c4e20e24451f51a31b6d2c51f1b3ce · sha256:874639f4523ec6b2… · /containers/cna/problemTypes/0/descriptions/0
Source references
5 source assertions{"tags":["product"],"url":"https://support.teldat.com/images/content/docs/Teldat_dm1087_regesta_smart_nessum_series_installation(1).pdf"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:7c9e026ec0c2c4307102e9f0839de87748c4e20e24451f51a31b6d2c51f1b3ce · sha256:874639f4523ec6b2… · /containers/cna/references/3
{"tags":["patch"],"url":"https://support.teldat.com/portal/supportcontent?page=cgs-customer-global-support&none=true&language=en-US"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:7c9e026ec0c2c4307102e9f0839de87748c4e20e24451f51a31b6d2c51f1b3ce · sha256:874639f4523ec6b2… · /containers/cna/references/4
{"tags":["technical-description","patch"],"url":"https://www.hackrtu.com/blog/CNA-CVE-2026-27870/"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:7c9e026ec0c2c4307102e9f0839de87748c4e20e24451f51a31b6d2c51f1b3ce · sha256:874639f4523ec6b2… · /containers/cna/references/1
{"tags":["technical-description","patch"],"url":"https://www.hackrtu.com/blog/CNA-HRTU-0003/"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:7c9e026ec0c2c4307102e9f0839de87748c4e20e24451f51a31b6d2c51f1b3ce · sha256:874639f4523ec6b2… · /containers/cna/references/0
{"tags":["product"],"url":"https://www.teldat.com/es/"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:7c9e026ec0c2c4307102e9f0839de87748c4e20e24451f51a31b6d2c51f1b3ce · sha256:874639f4523ec6b2… · /containers/cna/references/2
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.