CVE-2025-41744 Sprecher Automation: SPRECON-E series has static default key material for TLS connections
An unprivileged remote attacker can decrypt and modify TLS communications due to static default keys in Sprecher Automation SPRECON-E devices.
- 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-2025-41744?
CVE-2025-41744 is a critical vulnerability in Sprecher Automation SPRECON-E-C, published on 2 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Sprecher Automations SPRECON-E series uses default cryptographic keys that allow an unprivileged remote attacker to access all encrypted communications, thereby compromising confidentiality and integrity.
Weakness: CWE-1394
Which versions are affected by CVE-2025-41744?
It affects 3 products.
Products include Sprecher-Automation Sprecon-E-C Firmware, Sprecher-Automation Sprecon-E-P Firmware, Sprecher-Automation Sprecon-E-T3 Firmware.
How do I fix CVE-2025-41744?
No fix has been published for CVE-2025-41744 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-41744 being exploited?
There is no known exploitation of CVE-2025-41744 in the wild and no public exploit code.
Other vulnerabilities in Sprecher Automation SPRECON-E-C
- CVE-2025-41742 Hardcoded credentials in SPRECON-E-C
- CVE-2022-4333 Sprecher: Sprecon maintenance access with hardcoded credentials
- CVE-2022-4332 Sprecher: Vulnerable firmware verification
- CVE-2024-6758 Improper Privilege Management vulnerability in Sprecher Automation SPRECON-E
- CVE-2025-41743 Sprecher Automation: SPRECON-E series prone to weak encryption of update files
Sources
Also known as GHSA-697w-w949-fhm4.