CVE-2026-27869 WEB SERVICE (HTTP) DENIAL OF SERVICE VIA SLOW HEADERS ON REGESTA SMART HD-PLC OF TELDAT
An attacker can cause a denial of service on the web interface of Teldat Regesta Smart HD-PLC devices via a Slow Loris attack.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-27869?
CVE-2026-27869 is a medium-severity denial of service vulnerability in Teldat Regesta Smart HD-PLC - TLDPH16D2, published on 17 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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, with a Slow Loris attack, cause Denial of Service (DoS) on the web interface of the device. This issue affects Regesta Smart HD-PLC - TLDPH16D2: 11.02.05.10.02.
Weakness: CWE-770
Which versions are affected by CVE-2026-27869?
How do I fix CVE-2026-27869?
No fix has been published for CVE-2026-27869 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-27869 being exploited?
There is no known exploitation of CVE-2026-27869 in the wild and no public exploit code.
Sources
Also known as GHSA-fg52-hqv7-vcf6.