CVE-2022-4332 — In Sprecher Automation SPRECON-E-C/P/T3 CPU in variant PU244x a vulnerable firmw

In Sprecher Automation SPRECON-E-C/P/T3 CPU in variant PU244x a vulnerable firmware verification has been identified. Through physical access and hardware manipulation, an attacker might be able to bypass hardware-based code verification and thus inject and execute arbitrary code

01What is this vulnerability?

In Sprecher Automation SPRECON-E-C/P/T3 CPU in variant PU244x a vulnerable firmware verification has been identified. Through physical access and hardware manipulation, an attacker might be able to bypass hardware-based code verification and thus inject and execute arbitrary code and gain full access of the device.

02Affected products

Vendor	Product	Versions
Sprecher Automation	SPRECON	E-C/P/T3 CPU PU244x — all

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-06-01T05:36:28.688Z
• Last modified: 2025-01-10T18:43:17.650Z

09References

• www.sprecher-automation.com — https://www.sprecher-automation.com/fileadmin/itSecurity/PDF/2022-12_Advisories.…