CVE-2018-7522 — In Schneider Electric Triconex Tricon MP model 3008 firmware versions 10

In Schneider Electric Triconex Tricon MP model 3008 firmware versions 10.0-10.4, when a system call is made, registers are stored to a fixed memory location. Modifying the data in this location could allow attackers to gain supervisor-level access and control system states.

01What is this vulnerability?

In Schneider Electric Triconex Tricon MP model 3008 firmware versions 10.0-10.4, when a system call is made, registers are stored to a fixed memory location. Modifying the data in this location could allow attackers to gain supervisor-level access and control system states.

02Affected products

Vendor	Product	Versions
Schneider Electric	Triconex Tricon	MP model 3008 firmware versions 10.0-10.4

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: 2018-05-04T17:00:00.000Z
• Last modified: 2024-09-17T00:02:25.672Z

09References

• www.schneider-electric.com — https://www.schneider-electric.com/en/download/document/SEVD-2017-347-01/
• ics-cert.us-cert.gov — https://ics-cert.us-cert.gov/advisories/ICSA-18-107-02
• www.securityfocus.com — http://www.securityfocus.com/bid/103947